612056354164 has 12 divisors (see below), whose sum is σ = 1088657613988. Its totient is φ = 301011321600.

The previous prime is 612056354083. The next prime is 612056354171. The reversal of 612056354164 is 461453650216.

It can be written as a sum of positive squares in 2 ways, for example, as 52615184400 + 559441169764 = 229380^2 + 747958^2 .

It is a super-2 number, since 2×612056354164² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612056354164.

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 3 ways as a sum of consecutive naturals, for example, 1254213597 + ... + 1254214084.

Almost surely, 2^612056354164 is an apocalyptic number.

It is an amenable number.

612056354164 is a deficient number, since it is larger than the sum of its proper divisors (476601259824).

612056354164 is a wasteful number, since it uses less digits than its factorization.

612056354164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508427746 (or 2508427744 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 612056354164 in words is "six hundred twelve billion, fifty-six million, three hundred fifty-four thousand, one hundred sixty-four".