265115160 has 64 divisors (see below), whose sum is σ = 883720800. Its totient is φ = 70697088.

The previous prime is 265115093. The next prime is 265115161. The reversal of 265115160 is 61511562.

It is a happy number.

265115160 is a `hidden beast` number, since 2 + 651 + 1 + 5 + 1 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265115161) 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, 121659 + ... + 123818.

Almost surely, 2^265115160 is an apocalyptic number.

265115160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265115160 is an abundant number, since it is smaller than the sum of its proper divisors (618605640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265115160 is a wasteful number, since it uses less digits than its factorization.

265115160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245497 (or 245487 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 265115160 is about 16282.3573231888. The cubic root of 265115160 is about 642.4088582633.

The spelling of 265115160 in words is "two hundred sixty-five million, one hundred fifteen thousand, one hundred sixty".