163953018960 has 40 divisors (see below), whose sum is σ = 508254359520. Its totient is φ = 43720804992.

The previous prime is 163953018947. The next prime is 163953019007. The reversal of 163953018960 is 69810359361.

163953018960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341568550 + ... + 341569029.

It is an arithmetic number, because the mean of its divisors is an integer number (12706358988).

Almost surely, 2^163953018960 is an apocalyptic number.

163953018960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163953018960 is an abundant number, since it is smaller than the sum of its proper divisors (344301340560).

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

163953018960 is a wasteful number, since it uses less digits than its factorization.

163953018960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683137595 (or 683137589 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 163953018960 in words is "one hundred sixty-three billion, nine hundred fifty-three million, eighteen thousand, nine hundred sixty".