646264546022 has 16 divisors (see below), whose sum is σ = 976449358080. Its totient is φ = 320786979072.

The previous prime is 646264545919. The next prime is 646264546079. The reversal of 646264546022 is 220645462646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154822 + ... + 1620537.

It is an arithmetic number, because the mean of its divisors is an integer number (61028084880).

Almost surely, 2^646264546022 is an apocalyptic number.

646264546022 is a deficient number, since it is larger than the sum of its proper divisors (330184812058).

646264546022 is a wasteful number, since it uses less digits than its factorization.

646264546022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776207.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 646264546022 in words is "six hundred forty-six billion, two hundred sixty-four million, five hundred forty-six thousand, twenty-two".