660005166 has 16 divisors (see below), whose sum is σ = 1389484800. Its totient is φ = 208422648.

The previous prime is 660005119. The next prime is 660005183. The reversal of 660005166 is 661500066.

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, 2894646 + ... + 2894873.

It is an arithmetic number, because the mean of its divisors is an integer number (86842800).

Almost surely, 2^660005166 is an apocalyptic number.

660005166 is an abundant number, since it is smaller than the sum of its proper divisors (729479634).

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

660005166 is a wasteful number, since it uses less digits than its factorization.

660005166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789543.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 660005166 is about 25690.5657002722. The cubic root of 660005166 is about 870.6610407393.

The spelling of 660005166 in words is "six hundred sixty million, five thousand, one hundred sixty-six".