10663656 has 32 divisors (see below), whose sum is σ = 27281760. Its totient is φ = 3471552.

The previous prime is 10663643. The next prime is 10663661. The reversal of 10663656 is 65636601.

10663656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10663656² = 227427118572672, which contains 22 as substring.

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, 4135 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (852555).

Almost surely, 2^10663656 is an apocalyptic number.

It is an amenable number.

10663656 is an abundant number, since it is smaller than the sum of its proper divisors (16618104).

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

10663656 is a wasteful number, since it uses less digits than its factorization.

10663656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385 (or 10381 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 10663656 is about 3265.5253788633. The cubic root of 10663656 is about 220.1077708894.

The spelling of 10663656 in words is "ten million, six hundred sixty-three thousand, six hundred fifty-six".