166163076 has 30 divisors (see below), whose sum is σ = 434383950. Its totient is φ = 55387584.

The previous prime is 166163071. The next prime is 166163141. The reversal of 166163076 is 670361661.

166163076 is a `hidden beast` number, since 1 + 6 + 616 + 30 + 7 + 6 = 666.

166163076 is digitally balanced in base 2, 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., 119377476 + 46785600 = 10926^2 + 6840^2 .

It is a super-2 number, since 2×166163076² = 55220335651563552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 166163076.

It is not an unprimeable number, because it can be changed into a prime (166163071) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 256101 + ... + 256748.

It is an arithmetic number, because the mean of its divisors is an integer number (14479465).

Almost surely, 2^166163076 is an apocalyptic number.

It is an amenable number.

166163076 is an abundant number, since it is smaller than the sum of its proper divisors (268220874).

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

166163076 is a wasteful number, since it uses less digits than its factorization.

166163076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512865 (or 512854 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 166163076 is about 12890.4257493692. The cubic root of 166163076 is about 549.7663757083.

The spelling of 166163076 in words is "one hundred sixty-six million, one hundred sixty-three thousand, seventy-six".