163255215 has 32 divisors (see below), whose sum is σ = 269554176. Its totient is φ = 84332160.

The previous prime is 163255193. The next prime is 163255217. The reversal of 163255215 is 512552361.

It is a happy number.

It is not a de Polignac number, because 163255215 - 2⁶ = 163255151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163255217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59974 + ... + 62636.

It is an arithmetic number, because the mean of its divisors is an integer number (8423568).

Almost surely, 2^163255215 is an apocalyptic number.

163255215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163255215 is a deficient number, since it is larger than the sum of its proper divisors (106298961).

163255215 is a wasteful number, since it uses less digits than its factorization.

163255215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799.

The product of its digits is 9000, while the sum is 30.

The square root of 163255215 is about 12777.1364162711. The cubic root of 163255215 is about 546.5405058278.

The spelling of 163255215 in words is "one hundred sixty-three million, two hundred fifty-five thousand, two hundred fifteen".