163113643 has 8 divisors (see below), whose sum is σ = 203362560. Its totient is φ = 127101480.

The previous prime is 163113563. The next prime is 163113653. The reversal of 163113643 is 346311361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-163113643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163113653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059103 + ... + 1059256.

It is an arithmetic number, because the mean of its divisors is an integer number (25420320).

Almost surely, 2^163113643 is an apocalyptic number.

163113643 is a deficient number, since it is larger than the sum of its proper divisors (40248917).

163113643 is a wasteful number, since it uses less digits than its factorization.

163113643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118377.

The product of its digits is 3888, while the sum is 28.

The square root of 163113643 is about 12771.5951627038. The cubic root of 163113643 is about 546.3824767580.

The spelling of 163113643 in words is "one hundred sixty-three million, one hundred thirteen thousand, six hundred forty-three".