163972829764 has 96 divisors (see below), whose sum is σ = 310086475776. Its totient is φ = 75683836800.

The previous prime is 163972829693. The next prime is 163972829791. The reversal of 163972829764 is 467928279361.

It is a junction number, because it is equal to n+sod(n) for n = 163972829696 and 163972829705.

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, 134073657 + ... + 134074879.

It is an arithmetic number, because the mean of its divisors is an integer number (3230067456).

Almost surely, 2^163972829764 is an apocalyptic number.

It is an amenable number.

163972829764 is a deficient number, since it is larger than the sum of its proper divisors (146113646012).

163972829764 is a wasteful number, since it uses less digits than its factorization.

163972829764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1703 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 64.

The spelling of 163972829764 in words is "one hundred sixty-three billion, nine hundred seventy-two million, eight hundred twenty-nine thousand, seven hundred sixty-four".