163112890512 has 80 divisors (see below), whose sum is σ = 495041940288. Its totient is φ = 45625981440.

The previous prime is 163112890511. The next prime is 163112890519. The reversal of 163112890512 is 215098211361.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (163112890511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11874903 + ... + 11888630.

Almost surely, 2^163112890512 is an apocalyptic number.

163112890512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163112890512 is an abundant number, since it is smaller than the sum of its proper divisors (331929049776).

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

163112890512 is a wasteful number, since it uses less digits than its factorization.

163112890512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23763568 (or 23763562 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The spelling of 163112890512 in words is "one hundred sixty-three billion, one hundred twelve million, eight hundred ninety thousand, five hundred twelve".