169650238642 has 8 divisors (see below), whose sum is σ = 254483767836. Its totient is φ = 84822316032.

The previous prime is 169650238631. The next prime is 169650238661. The reversal of 169650238642 is 246832056961.

It can be written as a sum of positive squares in 2 ways, for example, as 169275467761 + 374770881 = 411431^2 + 19359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 169650238642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325163 + ... + 1447534.

Almost surely, 2^169650238642 is an apocalyptic number.

169650238642 is a deficient number, since it is larger than the sum of its proper divisors (84833529194).

169650238642 is a wasteful number, since it uses less digits than its factorization.

169650238642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803292.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 169650238642 in words is "one hundred sixty-nine billion, six hundred fifty million, two hundred thirty-eight thousand, six hundred forty-two".