163546863156 has 60 divisors (see below), whose sum is σ = 432347745060. Its totient is φ = 53903076480.

The previous prime is 163546863127. The next prime is 163546863157. The reversal of 163546863156 is 651368645361.

163546863156 is a `hidden beast` number, since 1 + 6 + 3 + 546 + 86 + 3 + 15 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52777710756 + 110769152400 = 229734^2 + 332820^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163546863157) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2806975 + ... + 2864646.

It is an arithmetic number, because the mean of its divisors is an integer number (7205795751).

Almost surely, 2^163546863156 is an apocalyptic number.

It is an amenable number.

163546863156 is an abundant number, since it is smaller than the sum of its proper divisors (268800881904).

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

163546863156 is a wasteful number, since it uses less digits than its factorization.

163546863156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671726 (or 5671715 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 163546863156 in words is "one hundred sixty-three billion, five hundred forty-six million, eight hundred sixty-three thousand, one hundred fifty-six".