166593626412 has 48 divisors (see below), whose sum is σ = 394592956800. Its totient is φ = 54692301312.

The previous prime is 166593626401. The next prime is 166593626413. The reversal of 166593626412 is 214626395661.

It is a super-2 number, since 2×166593626412² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166593626413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247964 + ... + 5279612.

It is an arithmetic number, because the mean of its divisors is an integer number (8220686600).

Almost surely, 2^166593626412 is an apocalyptic number.

166593626412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166593626412 is an abundant number, since it is smaller than the sum of its proper divisors (227999330388).

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

166593626412 is a wasteful number, since it uses less digits than its factorization.

166593626412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38270 (or 38268 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The spelling of 166593626412 in words is "one hundred sixty-six billion, five hundred ninety-three million, six hundred twenty-six thousand, four hundred twelve".