10657663 has 4 divisors (see below), whose sum is σ = 10917648. Its totient is φ = 10397680.

The previous prime is 10657649. The next prime is 10657667. The reversal of 10657663 is 36675601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10657663 - 2⁹ = 10657151 is a prime.

It is a super-2 number, since 2×10657663² = 227171561243138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10657667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129931 + ... + 130012.

It is an arithmetic number, because the mean of its divisors is an integer number (2729412).

Almost surely, 2^10657663 is an apocalyptic number.

10657663 is a deficient number, since it is larger than the sum of its proper divisors (259985).

10657663 is an equidigital number, since it uses as much as digits as its factorization.

10657663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259984.

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

The square root of 10657663 is about 3264.6076333918. The cubic root of 10657663 is about 220.0665294658.

The spelling of 10657663 in words is "ten million, six hundred fifty-seven thousand, six hundred sixty-three".