15975674856 has 48 divisors (see below), whose sum is σ = 43355669760. Its totient is φ = 5314367520.

The previous prime is 15975674807. The next prime is 15975674879. The reversal of 15975674856 is 65847657951.

15975674856 is a `hidden beast` number, since 1 + 5 + 97 + 5 + 67 + 485 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15975674793 and 15975674802.

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 11 ways as a sum of consecutive naturals, for example, 190600 + ... + 261303.

It is an arithmetic number, because the mean of its divisors is an integer number (903243120).

Almost surely, 2^15975674856 is an apocalyptic number.

It is an amenable number.

15975674856 is an abundant number, since it is smaller than the sum of its proper divisors (27379994904).

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

15975674856 is a wasteful number, since it uses less digits than its factorization.

15975674856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452406 (or 452399 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 63.

The spelling of 15975674856 in words is "fifteen billion, nine hundred seventy-five million, six hundred seventy-four thousand, eight hundred fifty-six".