646064052562 has 32 divisors (see below), whose sum is σ = 1015267219200. Its totient is φ = 307935374208.

The previous prime is 646064052547. The next prime is 646064052581. The reversal of 646064052562 is 265250460646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3434023 + ... + 3617269.

It is an arithmetic number, because the mean of its divisors is an integer number (31727100600).

Almost surely, 2^646064052562 is an apocalyptic number.

646064052562 is a deficient number, since it is larger than the sum of its proper divisors (369203166638).

646064052562 is a wasteful number, since it uses less digits than its factorization.

646064052562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184050.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 646064052562 in words is "six hundred forty-six billion, sixty-four million, fifty-two thousand, five hundred sixty-two".