265456666552 has 64 divisors (see below), whose sum is σ = 630721059840. Its totient is φ = 101729174400.

The previous prime is 265456666547. The next prime is 265456666567. The reversal of 265456666552 is 255666654562.

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, 3494688 + ... + 3569839.

It is an arithmetic number, because the mean of its divisors is an integer number (9855016560).

Almost surely, 2^265456666552 is an apocalyptic number.

265456666552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

265456666552 is an abundant number, since it is smaller than the sum of its proper divisors (365264393288).

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

265456666552 is a wasteful number, since it uses less digits than its factorization.

265456666552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064612 (or 7064608 counting only the distinct ones).

The product of its digits is 77760000, while the sum is 58.

The spelling of 265456666552 in words is "two hundred sixty-five billion, four hundred fifty-six million, six hundred sixty-six thousand, five hundred fifty-two".