65422378596 has 48 divisors (see below), whose sum is σ = 160726023360. Its totient is φ = 20654622720.

The previous prime is 65422378493. The next prime is 65422378601. The reversal of 65422378596 is 69587322456.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955756 + ... + 1021916.

It is an arithmetic number, because the mean of its divisors is an integer number (3348458820).

Almost surely, 2^65422378596 is an apocalyptic number.

It is an amenable number.

65422378596 is an abundant number, since it is smaller than the sum of its proper divisors (95303644764).

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

65422378596 is a wasteful number, since it uses less digits than its factorization.

65422378596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70524 (or 70522 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 65422378596 in words is "sixty-five billion, four hundred twenty-two million, three hundred seventy-eight thousand, five hundred ninety-six".