169990695650304 has 495 divisors, whose sum is σ = 539444831744797. Its totient is φ = 53310387879936.

The previous prime is 169990695650297. The next prime is 169990695650311. The reversal of 169990695650304 is 403056596099961.

The square root of 169990695650304 is 13038048.

It is a perfect power (a square), and thus also a powerful number.

169990695650304 is a `hidden beast` number, since 1 + 6 + 9 + 9 + 9 + 0 + 69 + 56 + 503 + 0 + 4 = 666.

169990695650304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (169990695650297) and next prime (169990695650311).

It can be written as a sum of positive squares in only one way, i.e., 132345697305600 + 37644998344704 = 11504160^2 + 6135552^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 63834281677 + ... + 63834284339.

Almost surely, 2^{169990695650304} is an apocalyptic number.

169990695650304 is the 13038048-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169990695650304

169990695650304 is an abundant number, since it is smaller than the sum of its proper divisors (369454136094493).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169990695650304 is an frugal number, since it uses more digits than its factorization.

169990695650304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 425152800, while the sum is 72.

The spelling of 169990695650304 in words is "one hundred sixty-nine trillion, nine hundred ninety billion, six hundred ninety-five million, six hundred fifty thousand, three hundred four".