64001624368 has 80 divisors (see below), whose sum is σ = 139904474112. Its totient is φ = 28099872000.

The previous prime is 64001624363. The next prime is 64001624381. The reversal of 64001624368 is 86342610046.

64001624368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64001624368.

It is not an unprimeable number, because it can be changed into a prime (64001624363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940855 + ... + 2962537.

Almost surely, 2^64001624368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64001624368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69952237056).

64001624368 is an abundant number, since it is smaller than the sum of its proper divisors (75902849744).

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

64001624368 is a wasteful number, since it uses less digits than its factorization.

64001624368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22274 (or 22268 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 64001624368 in words is "sixty-four billion, one million, six hundred twenty-four thousand, three hundred sixty-eight".