10645663 has 16 divisors (see below), whose sum is σ = 12531456. Its totient is φ = 8856000.

The previous prime is 10645637. The next prime is 10645673. The reversal of 10645663 is 36654601.

10645663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10645663 is a prime.

It is a super-2 number, since 2×10645663² = 226660281419138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42288 + ... + 42538.

It is an arithmetic number, because the mean of its divisors is an integer number (783216).

Almost surely, 2^10645663 is an apocalyptic number.

10645663 is a deficient number, since it is larger than the sum of its proper divisors (1885793).

10645663 is an equidigital number, since it uses as much as digits as its factorization.

10645663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 10645663 is about 3262.7692226083. The cubic root of 10645663 is about 219.9839037810.

The spelling of 10645663 in words is "ten million, six hundred forty-five thousand, six hundred sixty-three".