166665060 has 48 divisors (see below), whose sum is σ = 518515200. Its totient is φ = 44443872.

The previous prime is 166665043. The next prime is 166665089. The reversal of 166665060 is 60566661.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153780 + ... + 154859.

It is an arithmetic number, because the mean of its divisors is an integer number (10802400).

Almost surely, 2^166665060 is an apocalyptic number.

166665060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166665060 is an abundant number, since it is smaller than the sum of its proper divisors (351850140).

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

166665060 is a wasteful number, since it uses less digits than its factorization.

166665060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308657 (or 308649 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 166665060 is about 12909.8822612757. The cubic root of 166665060 is about 550.3194397779.

The spelling of 166665060 in words is "one hundred sixty-six million, six hundred sixty-five thousand, sixty".