665982230 has 16 divisors (see below), whose sum is σ = 1199483424. Its totient is φ = 266233920.

The previous prime is 665982199. The next prime is 665982257. The reversal of 665982230 is 32289566.

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, 1466 + ... + 36525.

It is an arithmetic number, because the mean of its divisors is an integer number (74967714).

Almost surely, 2^665982230 is an apocalyptic number.

665982230 is a deficient number, since it is larger than the sum of its proper divisors (533501194).

665982230 is a wasteful number, since it uses less digits than its factorization.

665982230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39751.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 665982230 is about 25806.6315120746. The cubic root of 665982230 is about 873.2814071193.

The spelling of 665982230 in words is "six hundred sixty-five million, nine hundred eighty-two thousand, two hundred thirty".