166672386724 has 24 divisors (see below), whose sum is σ = 308429162496. Its totient is φ = 78680904000.

The previous prime is 166672386677. The next prime is 166672386733. The reversal of 166672386724 is 427683276661.

166672386724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166672386724² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16386772 + ... + 16396939.

It is an arithmetic number, because the mean of its divisors is an integer number (12851215104).

Almost surely, 2^166672386724 is an apocalyptic number.

It is an amenable number.

166672386724 is a deficient number, since it is larger than the sum of its proper divisors (141756775772).

166672386724 is a wasteful number, since it uses less digits than its factorization.

166672386724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32783787 (or 32783785 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 58.

The spelling of 166672386724 in words is "one hundred sixty-six billion, six hundred seventy-two million, three hundred eighty-six thousand, seven hundred twenty-four".