65322394368 has 144 divisors (see below), whose sum is σ = 216751777536. Its totient is φ = 16966840320.

The previous prime is 65322394321. The next prime is 65322394381. The reversal of 65322394368 is 86349322356.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65322394368.

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, 493171 + ... + 611442.

Almost surely, 2^65322394368 is an apocalyptic number.

It is an amenable number.

65322394368 is an abundant number, since it is smaller than the sum of its proper divisors (151429383168).

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

65322394368 is a wasteful number, since it uses less digits than its factorization.

65322394368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104650 (or 1104636 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 51.

The spelling of 65322394368 in words is "sixty-five billion, three hundred twenty-two million, three hundred ninety-four thousand, three hundred sixty-eight".