512223666644156 has 24 divisors (see below), whose sum is σ = 914779913932080. Its totient is φ = 250873590195072.

The previous prime is 512223666644117. The next prime is 512223666644177. The reversal of 512223666644156 is 651446666322215.

It is a junction number, because it is equal to n+sod(n) for n = 512223666644095 and 512223666644104.

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, 1951524161 + ... + 1951786616.

It is an arithmetic number, because the mean of its divisors is an integer number (38115829747170).

Almost surely, 2^{512223666644156} is an apocalyptic number.

It is an amenable number.

512223666644156 is a deficient number, since it is larger than the sum of its proper divisors (402556247287924).

512223666644156 is a wasteful number, since it uses less digits than its factorization.

512223666644156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903311453 (or 3903311451 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 59.

The spelling of 512223666644156 in words is "five hundred twelve trillion, two hundred twenty-three billion, six hundred sixty-six million, six hundred forty-four thousand, one hundred fifty-six".