65373188672 has 56 divisors (see below), whose sum is σ = 141665321952. Its totient is φ = 29684172800.

The previous prime is 65373188599. The next prime is 65373188687. The reversal of 65373188672 is 27688137356.

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, 635768 + ... + 731400.

It is an arithmetic number, because the mean of its divisors is an integer number (2529737892).

Almost surely, 2^65373188672 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 65373188672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70832660976).

65373188672 is an abundant number, since it is smaller than the sum of its proper divisors (76292133280).

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

65373188672 is a wasteful number, since it uses less digits than its factorization.

65373188672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96627 (or 96617 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 65373188672 in words is "sixty-five billion, three hundred seventy-three million, one hundred eighty-eight thousand, six hundred seventy-two".