163165713 has 4 divisors (see below), whose sum is σ = 217554288. Its totient is φ = 108777140.

The previous prime is 163165669. The next prime is 163165721. The reversal of 163165713 is 317561361.

It is a happy number.

163165713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163165713 - 2⁶ = 163165649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163165753) 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, 27194283 + ... + 27194288.

It is an arithmetic number, because the mean of its divisors is an integer number (54388572).

Almost surely, 2^163165713 is an apocalyptic number.

It is an amenable number.

163165713 is a deficient number, since it is larger than the sum of its proper divisors (54388575).

163165713 is an equidigital number, since it uses as much as digits as its factorization.

163165713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54388574.

The product of its digits is 11340, while the sum is 33.

The square root of 163165713 is about 12773.6335081292. The cubic root of 163165713 is about 546.4406102741.

It can be divided in two parts, 163165 and 713, that added together give a triangular number (163878 = T₅₇₂).

The spelling of 163165713 in words is "one hundred sixty-three million, one hundred sixty-five thousand, seven hundred thirteen".