10641636 has 18 divisors (see below), whose sum is σ = 26899782. Its totient is φ = 3547200.

The previous prime is 10641629. The next prime is 10641661. The reversal of 10641636 is 63614601.

10641636 is a `hidden beast` number, since 10 + 641 + 6 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9884736 + 756900 = 3144^2 + 870^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10641636² = 226488833512992, which contains 22 as substring.

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, 147765 + ... + 147836.

Almost surely, 2^10641636 is an apocalyptic number.

It is an amenable number.

10641636 is an abundant number, since it is smaller than the sum of its proper divisors (16258146).

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

10641636 is a wasteful number, since it uses less digits than its factorization.

10641636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295611 (or 295606 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 10641636 is about 3262.1520504109. The cubic root of 10641636 is about 219.9561620642.

It can be divided in two parts, 10641 and 636, that multiplied together give a palindrome (6767676).

The spelling of 10641636 in words is "ten million, six hundred forty-one thousand, six hundred thirty-six".