166118424 has 32 divisors (see below), whose sum is σ = 439726320. Its totient is φ = 52115456.

The previous prime is 166118423. The next prime is 166118431. The reversal of 166118424 is 424811661.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166118423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203169 + ... + 203984.

Almost surely, 2^166118424 is an apocalyptic number.

It is an amenable number.

166118424 is an abundant number, since it is smaller than the sum of its proper divisors (273607896).

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

166118424 is a wasteful number, since it uses less digits than its factorization.

166118424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407179 (or 407175 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 166118424 is about 12888.6936498623. The cubic root of 166118424 is about 549.7171261637.

The spelling of 166118424 in words is "one hundred sixty-six million, one hundred eighteen thousand, four hundred twenty-four".