16004475655 has 32 divisors (see below), whose sum is σ = 22313852928. Its totient is φ = 10793520000.

The previous prime is 16004475623. The next prime is 16004475701. The reversal of 16004475655 is 55657440061.

It is not a de Polignac number, because 16004475655 - 2⁵ = 16004475623 is a prime.

It is a super-2 number, since 2×16004475655² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518794 + ... + 548776.

It is an arithmetic number, because the mean of its divisors is an integer number (697307904).

Almost surely, 2^16004475655 is an apocalyptic number.

16004475655 is a deficient number, since it is larger than the sum of its proper divisors (6309377273).

16004475655 is a wasteful number, since it uses less digits than its factorization.

16004475655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30247.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 16004475655 in words is "sixteen billion, four million, four hundred seventy-five thousand, six hundred fifty-five".