512163912 has 128 divisors (see below), whose sum is σ = 1417248000. Its totient is φ = 153280512.

The previous prime is 512163901. The next prime is 512163937. The reversal of 512163912 is 219361215.

It is a self number, because there is not a number n which added to its sum of digits gives 512163912.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2573589 + ... + 2573787.

It is an arithmetic number, because the mean of its divisors is an integer number (11072250).

Almost surely, 2^512163912 is an apocalyptic number.

512163912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512163912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708624000).

512163912 is an abundant number, since it is smaller than the sum of its proper divisors (905084088).

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

512163912 is a wasteful number, since it uses less digits than its factorization.

512163912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 403 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 512163912 is about 22631.0386858403. The cubic root of 512163912 is about 800.0853617247.

The spelling of 512163912 in words is "five hundred twelve million, one hundred sixty-three thousand, nine hundred twelve".