665046336 has 28 divisors (see below), whose sum is σ = 1759602272. Its totient is φ = 221682048.

The previous prime is 665046329. The next prime is 665046367. The reversal of 665046336 is 633640566.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 665046294 and 665046303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731700 + ... + 1732083.

Almost surely, 2^665046336 is an apocalyptic number.

It is an amenable number.

665046336 is an abundant number, since it is smaller than the sum of its proper divisors (1094555936).

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

665046336 is a wasteful number, since it uses less digits than its factorization.

665046336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463798 (or 3463788 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 665046336 is about 25788.4923173108. The cubic root of 665046336 is about 872.8721459623.

The spelling of 665046336 in words is "six hundred sixty-five million, forty-six thousand, three hundred thirty-six".