10631021636 has 12 divisors (see below), whose sum is σ = 19413170112. Its totient is φ = 5084401608.

The previous prime is 10631021627. The next prime is 10631021641. The reversal of 10631021636 is 63612013601.

It is a happy number.

It is a super-2 number, since 2×10631021636² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10631021599 and 10631021608.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57777200 + ... + 57777383.

It is an arithmetic number, because the mean of its divisors is an integer number (1617764176).

Almost surely, 2^10631021636 is an apocalyptic number.

It is an amenable number.

10631021636 is a deficient number, since it is larger than the sum of its proper divisors (8782148476).

10631021636 is a wasteful number, since it uses less digits than its factorization.

10631021636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115554610 (or 115554608 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 10631021636 in words is "ten billion, six hundred thirty-one million, twenty-one thousand, six hundred thirty-six".