163244265 has 16 divisors (see below), whose sum is σ = 264871296. Its totient is φ = 85836800.

The previous prime is 163244261. The next prime is 163244269. The reversal of 163244265 is 562442361.

It is an interprime number because it is at equal distance from previous prime (163244261) and next prime (163244269).

It is not a de Polignac number, because 163244265 - 2² = 163244261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163244261) 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, 75576 + ... + 77705.

It is an arithmetic number, because the mean of its divisors is an integer number (16554456).

Almost surely, 2^163244265 is an apocalyptic number.

163244265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163244265 is a deficient number, since it is larger than the sum of its proper divisors (101627031).

163244265 is a wasteful number, since it uses less digits than its factorization.

163244265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153360.

The product of its digits is 34560, while the sum is 33.

The square root of 163244265 is about 12776.7079093169. The cubic root of 163244265 is about 546.5282862031.

The spelling of 163244265 in words is "one hundred sixty-three million, two hundred forty-four thousand, two hundred sixty-five".