163064339955 has 48 divisors (see below), whose sum is σ = 311804419680. Its totient is φ = 78173145600.

The previous prime is 163064339827. The next prime is 163064339957. The reversal of 163064339955 is 559933460361.

163064339955 is a `hidden beast` number, since 163 + 0 + 6 + 43 + 399 + 55 = 666.

It is not a de Polignac number, because 163064339955 - 2⁷ = 163064339827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163064339957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1806636 + ... + 1894745.

It is an arithmetic number, because the mean of its divisors is an integer number (6495925410).

Almost surely, 2^163064339955 is an apocalyptic number.

163064339955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163064339955 is a deficient number, since it is larger than the sum of its proper divisors (148740079725).

163064339955 is a wasteful number, since it uses less digits than its factorization.

163064339955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701492 (or 3701489 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 54.

The spelling of 163064339955 in words is "one hundred sixty-three billion, sixty-four million, three hundred thirty-nine thousand, nine hundred fifty-five".