163320315 has 16 divisors (see below), whose sum is σ = 270324000. Its totient is φ = 84100352.

The previous prime is 163320301. The next prime is 163320317. The reversal of 163320315 is 513023361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163320315 - 2⁷ = 163320187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163320317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187290 + ... + 188159.

It is an arithmetic number, because the mean of its divisors is an integer number (16895250).

Almost surely, 2^163320315 is an apocalyptic number.

163320315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163320315 is a deficient number, since it is larger than the sum of its proper divisors (107003685).

163320315 is a wasteful number, since it uses less digits than its factorization.

163320315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375486.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 163320315 is about 12779.6836815314. The cubic root of 163320315 is about 546.6131427288.

Adding to 163320315 its reverse (513023361), we get a palindrome (676343676).

The spelling of 163320315 in words is "one hundred sixty-three million, three hundred twenty thousand, three hundred fifteen".