65657470232 has 32 divisors (see below), whose sum is σ = 129913647600. Its totient is φ = 31022538624.

The previous prime is 65657470217. The next prime is 65657470243. The reversal of 65657470232 is 23207475656.

It is a super-2 number, since 2×65657470232² (a number of 22 digits) contains 22 as substring.

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, 483683 + ... + 604370.

Almost surely, 2^65657470232 is an apocalyptic number.

It is an amenable number.

65657470232 is a deficient number, since it is larger than the sum of its proper divisors (64256177368).

65657470232 is a wasteful number, since it uses less digits than its factorization.

65657470232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088475 (or 1088471 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 65657470232 in words is "sixty-five billion, six hundred fifty-seven million, four hundred seventy thousand, two hundred thirty-two".