1065660056 has 24 divisors (see below), whose sum is σ = 2045689380. Its totient is φ = 520431408.

The previous prime is 1065660031. The next prime is 1065660067. The reversal of 1065660056 is 6500665601.

It is a super-2 number, since 2×1065660056² = 2271262709907846272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065659998 and 1065660025.

It is a congruent number.

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, 21230 + ... + 50813.

Almost surely, 2^1065660056 is an apocalyptic number.

It is an amenable number.

1065660056 is a deficient number, since it is larger than the sum of its proper divisors (980029324).

1065660056 is an equidigital number, since it uses as much as digits as its factorization.

1065660056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72135 (or 72088 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1065660056 is about 32644.4490840326. The cubic root of 1065660056 is about 1021.4244023480.

The spelling of 1065660056 in words is "one billion, sixty-five million, six hundred sixty thousand, fifty-six".