16081871504 has 20 divisors (see below), whose sum is σ = 31534033776. Its totient is φ = 7944056352.

The previous prime is 16081871459. The next prime is 16081871593. The reversal of 16081871504 is 40517818061.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6053594 + ... + 6056249.

Almost surely, 2^16081871504 is an apocalyptic number.

It is an amenable number.

16081871504 is a deficient number, since it is larger than the sum of its proper divisors (15452162272).

16081871504 is a wasteful number, since it uses less digits than its factorization.

16081871504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12109934 (or 12109928 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 16081871504 in words is "sixteen billion, eighty-one million, eight hundred seventy-one thousand, five hundred four".