64522572332 has 6 divisors (see below), whose sum is σ = 112914501588. Its totient is φ = 32261286164.

The previous prime is 64522572311. The next prime is 64522572349. The reversal of 64522572332 is 23327522546.

It is a self number, because there is not a number n which added to its sum of digits gives 64522572332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065321538 + ... + 8065321545.

It is an arithmetic number, because the mean of its divisors is an integer number (18819083598).

Almost surely, 2^64522572332 is an apocalyptic number.

It is an amenable number.

64522572332 is a deficient number, since it is larger than the sum of its proper divisors (48391929256).

64522572332 is a wasteful number, since it uses less digits than its factorization.

64522572332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16130643087 (or 16130643085 counting only the distinct ones).

The product of its digits is 604800, while the sum is 41.

The spelling of 64522572332 in words is "sixty-four billion, five hundred twenty-two million, five hundred seventy-two thousand, three hundred thirty-two".