10645879356 has 144 divisors (see below), whose sum is σ = 32419994880. Its totient is φ = 3011994720.

The previous prime is 10645879339. The next prime is 10645879399. The reversal of 10645879356 is 65397854601.

10645879356 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 587 + 9 + 3 + 56 = 666.

It is a super-2 number, since 2×10645879356² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535311 + ... + 554841.

Almost surely, 2^10645879356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10645879356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16209997440).

10645879356 is an abundant number, since it is smaller than the sum of its proper divisors (21774115524).

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

10645879356 is a wasteful number, since it uses less digits than its factorization.

10645879356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19661 (or 19646 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 10645879356 in words is "ten billion, six hundred forty-five million, eight hundred seventy-nine thousand, three hundred fifty-six".