166884073732 has 24 divisors (see below), whose sum is σ = 295363376000. Its totient is φ = 82497846816.

The previous prime is 166884073703. The next prime is 166884073751. The reversal of 166884073732 is 237370488661.

It is a super-2 number, since 2×166884073732² (a number of 23 digits) contains 22 as substring.

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, 211482 + ... + 615217.

Almost surely, 2^166884073732 is an apocalyptic number.

It is an amenable number.

166884073732 is a deficient number, since it is larger than the sum of its proper divisors (128479302268).

166884073732 is a wasteful number, since it uses less digits than its factorization.

166884073732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827275 (or 827273 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 166884073732 in words is "one hundred sixty-six billion, eight hundred eighty-four million, seventy-three thousand, seven hundred thirty-two".