265816916322 has 16 divisors (see below), whose sum is σ = 536602374432. Its totient is φ = 87777548480.

The previous prime is 265816916303. The next prime is 265816916329. The reversal of 265816916322 is 223619618562.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (265816916329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207021879 + ... + 207023162.

It is an arithmetic number, because the mean of its divisors is an integer number (33537648402).

Almost surely, 2^265816916322 is an apocalyptic number.

265816916322 is an abundant number, since it is smaller than the sum of its proper divisors (270785458110).

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

265816916322 is a wasteful number, since it uses less digits than its factorization.

265816916322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414045153.

The product of its digits is 1866240, while the sum is 51.

The spelling of 265816916322 in words is "two hundred sixty-five billion, eight hundred sixteen million, nine hundred sixteen thousand, three hundred twenty-two".