665506162 has 16 divisors (see below), whose sum is σ = 1008893952. Its totient is φ = 329222880.

The previous prime is 665506159. The next prime is 665506199. The reversal of 665506162 is 261605566.

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, 93862 + ... + 100702.

It is an arithmetic number, because the mean of its divisors is an integer number (63055872).

Almost surely, 2^665506162 is an apocalyptic number.

665506162 is a deficient number, since it is larger than the sum of its proper divisors (343387790).

665506162 is a wasteful number, since it uses less digits than its factorization.

665506162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7353.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 665506162 is about 25797.4061099173. The cubic root of 665506162 is about 873.0732732203.

The spelling of 665506162 in words is "six hundred sixty-five million, five hundred six thousand, one hundred sixty-two".