163130265 has 24 divisors (see below), whose sum is σ = 283213320. Its totient is φ = 86863104.

The previous prime is 163130213. The next prime is 163130269. The reversal of 163130265 is 562031361.

163130265 is a `hidden beast` number, since 1 + 631 + 3 + 0 + 26 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8277129 + 154853136 = 2877^2 + 12444^2 .

It is not a de Polignac number, because 163130265 - 2¹³ = 163122073 is a prime.

It is a super-2 number, since 2×163130265² = 53222966717940450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163130269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29349 + ... + 34461.

It is an arithmetic number, because the mean of its divisors is an integer number (11800555).

Almost surely, 2^163130265 is an apocalyptic number.

163130265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163130265 is a deficient number, since it is larger than the sum of its proper divisors (120083055).

163130265 is a wasteful number, since it uses less digits than its factorization.

163130265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833 (or 5830 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 163130265 is about 12772.2458870787. The cubic root of 163130265 is about 546.4010357227.

The spelling of 163130265 in words is "one hundred sixty-three million, one hundred thirty thousand, two hundred sixty-five".