163165331264 has 28 divisors (see below), whose sum is σ = 348687452484. Its totient is φ = 75307075584.

The previous prime is 163165331261. The next prime is 163165331269. The reversal of 163165331264 is 462133561361.

It can be written as a sum of positive squares in 2 ways, for example, as 15278937664 + 147886393600 = 123608^2 + 384560^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163165331261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98055257 + ... + 98056920.

It is an arithmetic number, because the mean of its divisors is an integer number (12453123303).

Almost surely, 2^163165331264 is an apocalyptic number.

It is an amenable number.

163165331264 is an abundant number, since it is smaller than the sum of its proper divisors (185522121220).

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

163165331264 is a wasteful number, since it uses less digits than its factorization.

163165331264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196112202 (or 196112192 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The spelling of 163165331264 in words is "one hundred sixty-three billion, one hundred sixty-five million, three hundred thirty-one thousand, two hundred sixty-four".