166234536 has 48 divisors (see below), whose sum is σ = 484853460. Its totient is φ = 51148800.

The previous prime is 166234513. The next prime is 166234543. The reversal of 166234536 is 635432661.

It can be written as a sum of positive squares in 2 ways, for example, as 136749636 + 29484900 = 11694^2 + 5430^2 .

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 166234536.

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, 87865 + ... + 89736.

Almost surely, 2^166234536 is an apocalyptic number.

It is an amenable number.

166234536 is an abundant number, since it is smaller than the sum of its proper divisors (318618924).

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

166234536 is a wasteful number, since it uses less digits than its factorization.

166234536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177626 (or 177619 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 166234536 is about 12893.1972760832. The cubic root of 166234536 is about 549.8451751537.

The spelling of 166234536 in words is "one hundred sixty-six million, two hundred thirty-four thousand, five hundred thirty-six".