665230562 has 8 divisors (see below), whose sum is σ = 998165676. Its totient is φ = 332508672.

The previous prime is 665230561. The next prime is 665230583. The reversal of 665230562 is 265032566.

It can be written as a sum of positive squares in 2 ways, for example, as 647244481 + 17986081 = 25441^2 + 4241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (665230561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45263 + ... + 58130.

Almost surely, 2^665230562 is an apocalyptic number.

665230562 is a deficient number, since it is larger than the sum of its proper divisors (332935114).

665230562 is a wasteful number, since it uses less digits than its factorization.

665230562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106612.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 665230562 is about 25792.0639344741. The cubic root of 665230562 is about 872.9527372881.

The spelling of 665230562 in words is "six hundred sixty-five million, two hundred thirty thousand, five hundred sixty-two".