265106551764 has 48 divisors (see below), whose sum is σ = 620313422400. Its totient is φ = 88121844480.

The previous prime is 265106551729. The next prime is 265106551777. The reversal of 265106551764 is 467155601562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6313912 + ... + 6355760.

It is an arithmetic number, because the mean of its divisors is an integer number (12923196300).

Almost surely, 2^265106551764 is an apocalyptic number.

It is an amenable number.

265106551764 is an abundant number, since it is smaller than the sum of its proper divisors (355206870636).

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

265106551764 is a wasteful number, since it uses less digits than its factorization.

265106551764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43320 (or 43318 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 265106551764 in words is "two hundred sixty-five billion, one hundred six million, five hundred fifty-one thousand, seven hundred sixty-four".