612620559136 has 24 divisors (see below), whose sum is σ = 1220628016944. Its totient is φ = 302619792960.

The previous prime is 612620559071. The next prime is 612620559139. The reversal of 612620559136 is 631955026216.

It is a super-2 number, since 2×612620559136² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612620559139) by changing a digit.

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, 115325010 + ... + 115330321.

It is an arithmetic number, because the mean of its divisors is an integer number (50859500706).

Almost surely, 2^612620559136 is an apocalyptic number.

It is an amenable number.

612620559136 is a deficient number, since it is larger than the sum of its proper divisors (608007457808).

612620559136 is a wasteful number, since it uses less digits than its factorization.

612620559136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230655424 (or 230655416 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 612620559136 in words is "six hundred twelve billion, six hundred twenty million, five hundred fifty-nine thousand, one hundred thirty-six".