10643653215636 has 72 divisors (see below), whose sum is σ = 28947812292000. Its totient is φ = 3034949416128.

The previous prime is 10643653215623. The next prime is 10643653215653. The reversal of 10643653215636 is 63651235634601.

It is a super-2 number, since 2×10643653215636² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17844315 + ... + 18431138.

It is an arithmetic number, because the mean of its divisors is an integer number (402052948500).

Almost surely, 2^{10643653215636} is an apocalyptic number.

It is an amenable number.

10643653215636 is an abundant number, since it is smaller than the sum of its proper divisors (18304159076364).

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

10643653215636 is a wasteful number, since it uses less digits than its factorization.

10643653215636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36275973 (or 36275964 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 10643653215636 in words is "ten trillion, six hundred forty-three billion, six hundred fifty-three million, two hundred fifteen thousand, six hundred thirty-six".