612751264564 has 72 divisors (see below), whose sum is σ = 1139854464000. Its totient is φ = 288171224640.

The previous prime is 612751264523. The next prime is 612751264591. The reversal of 612751264564 is 465462157216.

It is a super-2 number, since 2×612751264564² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 165204742 + ... + 165208450.

It is an arithmetic number, because the mean of its divisors is an integer number (15831312000).

Almost surely, 2^612751264564 is an apocalyptic number.

It is an amenable number.

612751264564 is a deficient number, since it is larger than the sum of its proper divisors (527103199436).

612751264564 is a wasteful number, since it uses less digits than its factorization.

612751264564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4520 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 612751264564 in words is "six hundred twelve billion, seven hundred fifty-one million, two hundred sixty-four thousand, five hundred sixty-four".