10643654775544 has 64 divisors (see below), whose sum is σ = 22864669378560. Its totient is φ = 4550210795520.

The previous prime is 10643654775539. The next prime is 10643654775553. The reversal of 10643654775544 is 44557745634601.

It is a happy number.

It is a super-2 number, since 2×10643654775544² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42753909 + ... + 43002139.

It is an arithmetic number, because the mean of its divisors is an integer number (357260459040).

Almost surely, 2^{10643654775544} is an apocalyptic number.

10643654775544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10643654775544 is an abundant number, since it is smaller than the sum of its proper divisors (12221014603016).

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

10643654775544 is a wasteful number, since it uses less digits than its factorization.

10643654775544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250148 (or 250144 counting only the distinct ones).

The product of its (nonzero) digits is 169344000, while the sum is 61.

The spelling of 10643654775544 in words is "ten trillion, six hundred forty-three billion, six hundred fifty-four million, seven hundred seventy-five thousand, five hundred forty-four".