265136256160 has 48 divisors (see below), whose sum is σ = 628713073800. Its totient is φ = 105660230656.

The previous prime is 265136256101. The next prime is 265136256179. The reversal of 265136256160 is 61652631562.

It can be written as a sum of positive squares in 4 ways, for example, as 183434037264 + 81702218896 = 428292^2 + 285836^2 .

It is a super-2 number, since 2×265136256160² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037075 + ... + 3123154.

Almost surely, 2^265136256160 is an apocalyptic number.

265136256160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265136256160 is an abundant number, since it is smaller than the sum of its proper divisors (363576817640).

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

265136256160 is a wasteful number, since it uses less digits than its factorization.

265136256160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160513 (or 6160505 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 265136256160 in words is "two hundred sixty-five billion, one hundred thirty-six million, two hundred fifty-six thousand, one hundred sixty".