16352560664 has 16 divisors (see below), whose sum is σ = 33448419720. Its totient is φ = 7432982080.

The previous prime is 16352560643. The next prime is 16352560669. The reversal of 16352560664 is 46606525361.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16352560669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92912189 + ... + 92912364.

Almost surely, 2^16352560664 is an apocalyptic number.

It is an amenable number.

16352560664 is an abundant number, since it is smaller than the sum of its proper divisors (17095859056).

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

16352560664 is a wasteful number, since it uses less digits than its factorization.

16352560664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185824570 (or 185824566 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 16352560664 in words is "sixteen billion, three hundred fifty-two million, five hundred sixty thousand, six hundred sixty-four".