166118032 has 40 divisors (see below), whose sum is σ = 335692800. Its totient is φ = 79535232.

The previous prime is 166118021. The next prime is 166118047. The reversal of 166118032 is 230811661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57519 + ... + 60337.

It is an arithmetic number, because the mean of its divisors is an integer number (8392320).

Almost surely, 2^166118032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166118032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167846400).

166118032 is an abundant number, since it is smaller than the sum of its proper divisors (169574768).

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

166118032 is a wasteful number, since it uses less digits than its factorization.

166118032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 166118032 is about 12888.6784427264. The cubic root of 166118032 is about 549.7166937628.

Adding to 166118032 its reverse (230811661), we get a palindrome (396929693).

The spelling of 166118032 in words is "one hundred sixty-six million, one hundred eighteen thousand, thirty-two".