10644535896 has 16 divisors (see below), whose sum is σ = 26611339800. Its totient is φ = 3548178624.

The previous prime is 10644535879. The next prime is 10644535949. The reversal of 10644535896 is 69853544601.

It is a super-2 number, since 2×10644535896² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221761141 + ... + 221761188.

Almost surely, 2^10644535896 is an apocalyptic number.

It is an amenable number.

10644535896 is an abundant number, since it is smaller than the sum of its proper divisors (15966803904).

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

10644535896 is a wasteful number, since it uses less digits than its factorization.

10644535896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443522338 (or 443522334 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 10644535896 in words is "ten billion, six hundred forty-four million, five hundred thirty-five thousand, eight hundred ninety-six".