16320275 has 6 divisors (see below), whose sum is σ = 20237172. Its totient is φ = 13056200.

The previous prime is 16320257. The next prime is 16320277. The reversal of 16320275 is 57202361.

16320275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16320275 - 2²⁰ = 15271699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16320277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326381 + ... + 326430.

It is an arithmetic number, because the mean of its divisors is an integer number (3372862).

Almost surely, 2^16320275 is an apocalyptic number.

16320275 is a deficient number, since it is larger than the sum of its proper divisors (3916897).

16320275 is an equidigital number, since it uses as much as digits as its factorization.

16320275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652821 (or 652816 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 16320275 is about 4039.8360115232. The cubic root of 16320275 is about 253.6544529334.

The spelling of 16320275 in words is "sixteen million, three hundred twenty thousand, two hundred seventy-five".