65882656 has 36 divisors (see below), whose sum is σ = 150886638. Its totient is φ = 28234752.

The previous prime is 65882639. The next prime is 65882699. The reversal of 65882656 is 65628856.

It can be written as a sum of positive squares in only one way, i.e., 63680400 + 2202256 = 7980^2 + 1484^2 .

It is a super-2 number, since 2×65882656² = 8681048723228672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19441 + ... + 22576.

Almost surely, 2^65882656 is an apocalyptic number.

It is an amenable number.

65882656 is an abundant number, since it is smaller than the sum of its proper divisors (85003982).

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

65882656 is a wasteful number, since it uses less digits than its factorization.

65882656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42041 (or 42026 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 65882656 is about 8116.8131677402. The cubic root of 65882656 is about 403.8843573203.

The spelling of 65882656 in words is "sixty-five million, eight hundred eighty-two thousand, six hundred fifty-six".