265924551660 has 48 divisors (see below), whose sum is σ = 744882432000. Its totient is φ = 70885243584.

The previous prime is 265924551649. The next prime is 265924551671. The reversal of 265924551660 is 66155429562.

It is an interprime number because it is at equal distance from previous prime (265924551649) and next prime (265924551671).

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, 720460 + ... + 1025139.

It is an arithmetic number, because the mean of its divisors is an integer number (15518384000).

Almost surely, 2^265924551660 is an apocalyptic number.

265924551660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265924551660 is an abundant number, since it is smaller than the sum of its proper divisors (478957880340).

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

265924551660 is a wasteful number, since it uses less digits than its factorization.

265924551660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748150 (or 1748148 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 265924551660 in words is "two hundred sixty-five billion, nine hundred twenty-four million, five hundred fifty-one thousand, six hundred sixty".