10663657 has 8 divisors (see below), whose sum is σ = 10857600. Its totient is φ = 10471344.

The previous prime is 10663643. The next prime is 10663661. The reversal of 10663657 is 75636601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10663657 - 2⁷ = 10663529 is a prime.

It is a super-2 number, since 2×10663657² = 227427161227298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10663687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27219 + ... + 27607.

It is an arithmetic number, because the mean of its divisors is an integer number (1357200).

Almost surely, 2^10663657 is an apocalyptic number.

It is an amenable number.

10663657 is a deficient number, since it is larger than the sum of its proper divisors (193943).

10663657 is an equidigital number, since it uses as much as digits as its factorization.

10663657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 10663657 is about 3265.5255319780. The cubic root of 10663657 is about 220.1077777697.

The spelling of 10663657 in words is "ten million, six hundred sixty-three thousand, six hundred fifty-seven".