265797168 has 120 divisors (see below), whose sum is σ = 860288688. Its totient is φ = 70092288.

The previous prime is 265797167. The next prime is 265797179. The reversal of 265797168 is 861797562.

It is a self number, because there is not a number n which added to its sum of digits gives 265797168.

It is not an unprimeable number, because it can be changed into a prime (265797163) 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, 26230 + ... + 34922.

Almost surely, 2^265797168 is an apocalyptic number.

265797168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265797168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430144344).

265797168 is an abundant number, since it is smaller than the sum of its proper divisors (594491520).

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

265797168 is a wasteful number, since it uses less digits than its factorization.

265797168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731 (or 8718 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 265797168 is about 16303.2870305347. The cubic root of 265797168 is about 642.9592515619.

The spelling of 265797168 in words is "two hundred sixty-five million, seven hundred ninety-seven thousand, one hundred sixty-eight".