32166307472 has 40 divisors (see below), whose sum is σ = 67743539136. Its totient is φ = 14707230336.

The previous prime is 32166307421. The next prime is 32166307483. The reversal of 32166307472 is 27470366123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700388 + ... + 744899.

Almost surely, 2^32166307472 is an apocalyptic number.

It is an amenable number.

32166307472 is an abundant number, since it is smaller than the sum of its proper divisors (35577231664).

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

32166307472 is a wasteful number, since it uses less digits than its factorization.

32166307472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445415 (or 1445409 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 32166307472 in words is "thirty-two billion, one hundred sixty-six million, three hundred seven thousand, four hundred seventy-two".