10647799644 has 24 divisors (see below), whose sum is σ = 24846725008. Its totient is φ = 3549000960.

The previous prime is 10647799597. The next prime is 10647799651. The reversal of 10647799644 is 44699774601.

10647799644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10647799644² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198564 + ... + 246420.

Almost surely, 2^10647799644 is an apocalyptic number.

It is an amenable number.

10647799644 is an abundant number, since it is smaller than the sum of its proper divisors (14198925364).

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

10647799644 is a wasteful number, since it uses less digits than its factorization.

10647799644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66405 (or 66403 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 10647799644 in words is "ten billion, six hundred forty-seven million, seven hundred ninety-nine thousand, six hundred forty-four".