166126515156 has 54 divisors (see below), whose sum is σ = 488491067610. Its totient is φ = 47464718112.

The previous prime is 166126515131. The next prime is 166126515179. The reversal of 166126515156 is 651515621661.

166126515156 is a `hidden beast` number, since 1 + 6 + 6 + 126 + 5 + 1 + 515 + 6 = 666.

166126515156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 85205610000 + 80920905156 = 291900^2 + 284466^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47086251 + ... + 47089778.

Almost surely, 2^166126515156 is an apocalyptic number.

It is an amenable number.

166126515156 is an abundant number, since it is smaller than the sum of its proper divisors (322364552454).

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

166126515156 is a wasteful number, since it uses less digits than its factorization.

166126515156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94176053 (or 94176041 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The spelling of 166126515156 in words is "one hundred sixty-six billion, one hundred twenty-six million, five hundred fifteen thousand, one hundred fifty-six".