651233445164 has 12 divisors (see below), whose sum is σ = 1143101608488. Its totient is φ = 324632985600.

The previous prime is 651233445143. The next prime is 651233445173. The reversal of 651233445164 is 461544332156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245932757 + ... + 245935404.

It is an arithmetic number, because the mean of its divisors is an integer number (95258467374).

Almost surely, 2^651233445164 is an apocalyptic number.

It is an amenable number.

651233445164 is a deficient number, since it is larger than the sum of its proper divisors (491868163324).

651233445164 is a wasteful number, since it uses less digits than its factorization.

651233445164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491868496 (or 491868494 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The spelling of 651233445164 in words is "six hundred fifty-one billion, two hundred thirty-three million, four hundred forty-five thousand, one hundred sixty-four".