16537355504 has 20 divisors (see below), whose sum is σ = 32074290864. Its totient is φ = 8260119168.

The previous prime is 16537355503. The next prime is 16537355533. The reversal of 16537355504 is 40555373561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16537355503) 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, 518957 + ... + 549900.

Almost surely, 2^16537355504 is an apocalyptic number.

It is an amenable number.

16537355504 is a deficient number, since it is larger than the sum of its proper divisors (15536935360).

16537355504 is a wasteful number, since it uses less digits than its factorization.

16537355504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069832 (or 1069826 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 16537355504 in words is "sixteen billion, five hundred thirty-seven million, three hundred fifty-five thousand, five hundred four".