32190978162 has 48 divisors (see below), whose sum is σ = 74926760832. Its totient is φ = 9193312800.

The previous prime is 32190978143. The next prime is 32190978173. The reversal of 32190978162 is 26187909123.

It is a hoax number, since the sum of its digits (48) 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 23 ways as a sum of consecutive naturals, for example, 667908 + ... + 714480.

It is an arithmetic number, because the mean of its divisors is an integer number (1560974184).

Almost surely, 2^32190978162 is an apocalyptic number.

32190978162 is an abundant number, since it is smaller than the sum of its proper divisors (42735782670).

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

32190978162 is a wasteful number, since it uses less digits than its factorization.

32190978162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48943 (or 48936 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 32190978162 in words is "thirty-two billion, one hundred ninety million, nine hundred seventy-eight thousand, one hundred sixty-two".