265206454320216 has 64 divisors (see below), whose sum is σ = 668081931454080. Its totient is φ = 87726721322240.

The previous prime is 265206454320209. The next prime is 265206454320253. The reversal of 265206454320216 is 612023454602562.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 879248020 + ... + 879549596.

It is an arithmetic number, because the mean of its divisors is an integer number (10438780178970).

Almost surely, 2^{265206454320216} is an apocalyptic number.

It is an amenable number.

265206454320216 is an abundant number, since it is smaller than the sum of its proper divisors (402875477133864).

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

265206454320216 is a wasteful number, since it uses less digits than its factorization.

265206454320216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581424 (or 581420 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 265206454320216 in words is "two hundred sixty-five trillion, two hundred six billion, four hundred fifty-four million, three hundred twenty thousand, two hundred sixteen".