169642064 has 10 divisors (see below), whose sum is σ = 328681530. Its totient is φ = 84821024.

The previous prime is 169642063. The next prime is 169642073. The reversal of 169642064 is 460246961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 146216464 + 23425600 = 12092^2 + 4840^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169642063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5301299 + ... + 5301330.

It is an arithmetic number, because the mean of its divisors is an integer number (32868153).

Almost surely, 2^169642064 is an apocalyptic number.

It is an amenable number.

169642064 is a deficient number, since it is larger than the sum of its proper divisors (159039466).

169642064 is a wasteful number, since it uses less digits than its factorization.

169642064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602637 (or 10602631 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 169642064 is about 13024.6713586178. The cubic root of 169642064 is about 553.5767597191.

The spelling of 169642064 in words is "one hundred sixty-nine million, six hundred forty-two thousand, sixty-four".