265447197216 has 72 divisors (see below), whose sum is σ = 764420791680. Its totient is φ = 87362361216.

The previous prime is 265447197209. The next prime is 265447197259. The reversal of 265447197216 is 612791744562.

265447197216 is a `hidden beast` number, since 2 + 6 + 5 + 447 + 197 + 2 + 1 + 6 = 666.

265447197216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5810740 + ... + 5856243.

It is an arithmetic number, because the mean of its divisors is an integer number (10616955440).

Almost surely, 2^265447197216 is an apocalyptic number.

It is an amenable number.

265447197216 is an abundant number, since it is smaller than the sum of its proper divisors (498973594464).

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

265447197216 is a wasteful number, since it uses less digits than its factorization.

265447197216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11667078 (or 11667067 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 265447197216 in words is "two hundred sixty-five billion, four hundred forty-seven million, one hundred ninety-seven thousand, two hundred sixteen".