163311963685 has 16 divisors (see below), whose sum is σ = 211059192960. Its totient is φ = 120593954880.

The previous prime is 163311963643. The next prime is 163311963719. The reversal of 163311963685 is 586369113361.

It is not a de Polignac number, because 163311963685 - 2¹³ = 163311955493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1776400 + ... + 1866070.

It is an arithmetic number, because the mean of its divisors is an integer number (13191199560).

Almost surely, 2^163311963685 is an apocalyptic number.

It is an amenable number.

163311963685 is a deficient number, since it is larger than the sum of its proper divisors (47747229275).

163311963685 is a wasteful number, since it uses less digits than its factorization.

163311963685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117708.

The product of its digits is 2099520, while the sum is 52.

The spelling of 163311963685 in words is "one hundred sixty-three billion, three hundred eleven million, nine hundred sixty-three thousand, six hundred eighty-five".