646076602264 has 16 divisors (see below), whose sum is σ = 1212993896400. Its totient is φ = 322611563232.

The previous prime is 646076602211. The next prime is 646076602337. The reversal of 646076602264 is 462206670646.

646076602264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53335804 + ... + 53347915.

It is an arithmetic number, because the mean of its divisors is an integer number (75812118525).

Almost surely, 2^646076602264 is an apocalyptic number.

It is an amenable number.

646076602264 is a deficient number, since it is larger than the sum of its proper divisors (566917294136).

646076602264 is a wasteful number, since it uses less digits than its factorization.

646076602264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106684482 (or 106684478 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 646076602264 in words is "six hundred forty-six billion, seventy-six million, six hundred two thousand, two hundred sixty-four".