163189795185780 has 96 divisors (see below), whose sum is σ = 498744085045248. Its totient is φ = 39539461046400.

The previous prime is 163189795185773. The next prime is 163189795185793. The reversal of 163189795185780 is 87581597981361.

163189795185780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163189795185696 and 163189795185705.

It is a congruent number.

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, 66612856 + ... + 69019215.

It is an arithmetic number, because the mean of its divisors is an integer number (5195250885888).

Almost surely, 2^{163189795185780} is an apocalyptic number.

163189795185780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163189795185780 is an abundant number, since it is smaller than the sum of its proper divisors (335554289859468).

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

163189795185780 is a wasteful number, since it uses less digits than its factorization.

163189795185780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135633917 (or 135633915 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 78.

The spelling of 163189795185780 in words is "one hundred sixty-three trillion, one hundred eighty-nine billion, seven hundred ninety-five million, one hundred eighty-five thousand, seven hundred eighty".