41664321564 has 24 divisors (see below), whose sum is σ = 97575491328. Its totient is φ = 13836858480.

The previous prime is 41664321553. The next prime is 41664321571. The reversal of 41664321564 is 46512346614.

It is a congruent number.

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, 6402702 + ... + 6409205.

It is an arithmetic number, because the mean of its divisors is an integer number (4065645472).

Almost surely, 2^41664321564 is an apocalyptic number.

It is an amenable number.

41664321564 is an abundant number, since it is smaller than the sum of its proper divisors (55911169764).

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

41664321564 is a wasteful number, since it uses less digits than its factorization.

41664321564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12812185 (or 12812183 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 41664321564 in words is "forty-one billion, six hundred sixty-four million, three hundred twenty-one thousand, five hundred sixty-four".