512316161423220 has 288 divisors, whose sum is σ = 1826239103410176. Its totient is φ = 106113004166400.

The previous prime is 512316161423207. The next prime is 512316161423291. The reversal of 512316161423220 is 22324161613215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15411012 + ... + 35526491.

It is an arithmetic number, because the mean of its divisors is an integer number (6341107997952).

Almost surely, 2^{512316161423220} is an apocalyptic number.

It is an amenable number.

512316161423220 is an abundant number, since it is smaller than the sum of its proper divisors (1313922941986956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512316161423220 is a wasteful number, since it uses less digits than its factorization.

512316161423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50937851 (or 50937842 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 512316161423220 in words is "five hundred twelve trillion, three hundred sixteen billion, one hundred sixty-one million, four hundred twenty-three thousand, two hundred twenty".