646332104622 has 32 divisors (see below), whose sum is σ = 1368743837184. Its totient is φ = 202764848000.

The previous prime is 646332104569. The next prime is 646332104633. The reversal of 646332104622 is 226401233646.

It is a congruent number.

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, 4427497 + ... + 4571147.

It is an arithmetic number, because the mean of its divisors is an integer number (42773244912).

Almost surely, 2^646332104622 is an apocalyptic number.

646332104622 is an abundant number, since it is smaller than the sum of its proper divisors (722411732562).

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

646332104622 is a wasteful number, since it uses less digits than its factorization.

646332104622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187784.

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 646332104622 in words is "six hundred forty-six billion, three hundred thirty-two million, one hundred four thousand, six hundred twenty-two".