322378664652 has 72 divisors (see below), whose sum is σ = 897139523280. Its totient is φ = 96794248320.

The previous prime is 322378664639. The next prime is 322378664677. The reversal of 322378664652 is 256466873223.

322378664652 is a `hidden beast` number, since 32 + 23 + 78 + 66 + 465 + 2 = 666.

It is a super-2 number, since 2×322378664652² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3691183 + ... + 3777510.

Almost surely, 2^322378664652 is an apocalyptic number.

It is an amenable number.

322378664652 is an abundant number, since it is smaller than the sum of its proper divisors (574760858628).

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

322378664652 is a wasteful number, since it uses less digits than its factorization.

322378664652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468823 (or 7468818 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 322378664652 in words is "three hundred twenty-two billion, three hundred seventy-eight million, six hundred sixty-four thousand, six hundred fifty-two".