16537470856 has 64 divisors (see below), whose sum is σ = 33034780800. Its totient is φ = 7743909888.

The previous prime is 16537470839. The next prime is 16537470869. The reversal of 16537470856 is 65807473561.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5625435 + ... + 5628373.

It is an arithmetic number, because the mean of its divisors is an integer number (516168450).

Almost surely, 2^16537470856 is an apocalyptic number.

It is an amenable number.

16537470856 is a deficient number, since it is larger than the sum of its proper divisors (16497309944).

16537470856 is a wasteful number, since it uses less digits than its factorization.

16537470856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 16537470856 in words is "sixteen billion, five hundred thirty-seven million, four hundred seventy thousand, eight hundred fifty-six".