163155852208512 has 320 divisors, whose sum is σ = 501760370097360. Its totient is φ = 52594549862400.

The previous prime is 163155852208507. The next prime is 163155852208523. The reversal of 163155852208512 is 215802258551361.

163155852208512 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 5 + 58 + 52 + 20 + 8 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43216518 + ... + 46839930.

Almost surely, 2^{163155852208512} is an apocalyptic number.

163155852208512 is a gapful number since it is divisible by the number (12) 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 163155852208512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250880185048680).

163155852208512 is an abundant number, since it is smaller than the sum of its proper divisors (338604517888848).

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

163155852208512 is a wasteful number, since it uses less digits than its factorization.

163155852208512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623583 (or 3623562 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 54.

The spelling of 163155852208512 in words is "one hundred sixty-three trillion, one hundred fifty-five billion, eight hundred fifty-two million, two hundred eight thousand, five hundred twelve".