23641564356516 has 24 divisors (see below), whose sum is σ = 55378294725600. Its totient is φ = 7849857943552.

The previous prime is 23641564356469. The next prime is 23641564356541. The reversal of 23641564356516 is 61565346514632.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3832935366 + ... + 3832941533.

It is an arithmetic number, because the mean of its divisors is an integer number (2307428946900).

Almost surely, 2^{23641564356516} is an apocalyptic number.

It is an amenable number.

23641564356516 is an abundant number, since it is smaller than the sum of its proper divisors (31736730369084).

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

23641564356516 is a wasteful number, since it uses less digits than its factorization.

23641564356516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665877163 (or 7665877161 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 57.

The spelling of 23641564356516 in words is "twenty-three trillion, six hundred forty-one billion, five hundred sixty-four million, three hundred fifty-six thousand, five hundred sixteen".