163713072 has 20 divisors (see below), whose sum is σ = 422925560. Its totient is φ = 54571008.

The previous prime is 163713071. The next prime is 163713073. The reversal of 163713072 is 270317361.

It is an interprime number because it is at equal distance from previous prime (163713071) and next prime (163713073).

It is not an unprimeable number, because it can be changed into a prime (163713071) 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, 1705297 + ... + 1705392.

It is an arithmetic number, because the mean of its divisors is an integer number (21146278).

Almost surely, 2^163713072 is an apocalyptic number.

163713072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163713072 is an abundant number, since it is smaller than the sum of its proper divisors (259212488).

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

163713072 is a wasteful number, since it uses less digits than its factorization.

163713072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410700 (or 3410694 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 163713072 is about 12795.0409143543. The cubic root of 163713072 is about 547.0509618561.

The spelling of 163713072 in words is "one hundred sixty-three million, seven hundred thirteen thousand, seventy-two".