166593626464 has 24 divisors (see below), whose sum is σ = 330375234168. Its totient is φ = 82688805120.

The previous prime is 166593626431. The next prime is 166593626489. The reversal of 166593626464 is 464626395661.

It is a super-2 number, since 2×166593626464² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166593626399 and 166593626408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18995802 + ... + 19004569.

It is an arithmetic number, because the mean of its divisors is an integer number (13765634757).

Almost surely, 2^166593626464 is an apocalyptic number.

It is an amenable number.

166593626464 is a deficient number, since it is larger than the sum of its proper divisors (163781607704).

166593626464 is a wasteful number, since it uses less digits than its factorization.

166593626464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38000518 (or 38000510 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 58.

The spelling of 166593626464 in words is "one hundred sixty-six billion, five hundred ninety-three million, six hundred twenty-six thousand, four hundred sixty-four".