166564060 has 24 divisors (see below), whose sum is σ = 376691616. Its totient is φ = 61500480.

The previous prime is 166564043. The next prime is 166564087. The reversal of 166564060 is 60465661.

It is a congruent number.

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, 320056 + ... + 320575.

It is an arithmetic number, because the mean of its divisors is an integer number (15695484).

Almost surely, 2^166564060 is an apocalyptic number.

166564060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166564060 is an abundant number, since it is smaller than the sum of its proper divisors (210127556).

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

166564060 is a wasteful number, since it uses less digits than its factorization.

166564060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640653 (or 640651 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 166564060 is about 12905.9699364286. The cubic root of 166564060 is about 550.2082517162.

The spelling of 166564060 in words is "one hundred sixty-six million, five hundred sixty-four thousand, sixty".