10523144664 has 48 divisors (see below), whose sum is σ = 28538686800. Its totient is φ = 3502976064.

The previous prime is 10523144657. The next prime is 10523144669. The reversal of 10523144664 is 46644132501.

It is a super-2 number, since 2×10523144664² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10523144669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44859 + ... + 151850.

It is an arithmetic number, because the mean of its divisors is an integer number (594555975).

Almost surely, 2^10523144664 is an apocalyptic number.

It is an amenable number.

10523144664 is an abundant number, since it is smaller than the sum of its proper divisors (18015542136).

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

10523144664 is a wasteful number, since it uses less digits than its factorization.

10523144664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197464 (or 197457 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 10523144664 in words is "ten billion, five hundred twenty-three million, one hundred forty-four thousand, six hundred sixty-four".