163099227 has 4 divisors (see below), whose sum is σ = 217465640. Its totient is φ = 108732816.

The previous prime is 163099201. The next prime is 163099229. The reversal of 163099227 is 722990361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 163099227 - 2¹⁶ = 163033691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163099229) 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, 27183202 + ... + 27183207.

It is an arithmetic number, because the mean of its divisors is an integer number (54366410).

Almost surely, 2^163099227 is an apocalyptic number.

163099227 is a deficient number, since it is larger than the sum of its proper divisors (54366413).

163099227 is an equidigital number, since it uses as much as digits as its factorization.

163099227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54366412.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 163099227 is about 12771.0307728077. The cubic root of 163099227 is about 546.3663798379.

The spelling of 163099227 in words is "one hundred sixty-three million, ninety-nine thousand, two hundred twenty-seven".