163163232317812 has 12 divisors (see below), whose sum is σ = 285536047216420. Its totient is φ = 81581504541696.

The previous prime is 163163232317791. The next prime is 163163232317837. The reversal of 163163232317812 is 218713232361361.

It can be written as a sum of positive squares in 2 ways, for example, as 132125921116816 + 31037311200996 = 11494604^2 + 5571114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24570987 + ... + 30496882.

Almost surely, 2^{163163232317812} is an apocalyptic number.

It is an amenable number.

163163232317812 is a deficient number, since it is larger than the sum of its proper divisors (122372814898608).

163163232317812 is a wasteful number, since it uses less digits than its factorization.

163163232317812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55808610 (or 55808608 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The spelling of 163163232317812 in words is "one hundred sixty-three trillion, one hundred sixty-three billion, two hundred thirty-two million, three hundred seventeen thousand, eight hundred twelve".