10645613772 has 12 divisors (see below), whose sum is σ = 24839765496. Its totient is φ = 3548537920.

The previous prime is 10645613753. The next prime is 10645613773. The reversal of 10645613772 is 27731654601.

It is a happy number.

10645613772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10645613772² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10645613773) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 443567229 + ... + 443567252.

It is an arithmetic number, because the mean of its divisors is an integer number (2069980458).

Almost surely, 2^10645613772 is an apocalyptic number.

10645613772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10645613772 is an abundant number, since it is smaller than the sum of its proper divisors (14194151724).

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

10645613772 is a wasteful number, since it uses less digits than its factorization.

10645613772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887134488 (or 887134486 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 10645613772 in words is "ten billion, six hundred forty-five million, six hundred thirteen thousand, seven hundred seventy-two".