166862126052 has 36 divisors (see below), whose sum is σ = 428939369040. Its totient is φ = 54677984112.

The previous prime is 166862126017. The next prime is 166862126071. The reversal of 166862126052 is 250621268661.

166862126052 is a `hidden beast` number, since 16 + 6 + 8 + 6 + 21 + 2 + 605 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×166862126052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166862125989 and 166862126007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39278038 + ... + 39282285.

Almost surely, 2^166862126052 is an apocalyptic number.

166862126052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166862126052 is an abundant number, since it is smaller than the sum of its proper divisors (262077242988).

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

166862126052 is a wasteful number, since it uses less digits than its factorization.

166862126052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78560392 (or 78560387 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 166862126052 in words is "one hundred sixty-six billion, eight hundred sixty-two million, one hundred twenty-six thousand, fifty-two".