265640352402162 has 16 divisors (see below), whose sum is σ = 535102868149920. Its totient is φ = 87909756909792.

The previous prime is 265640352402151. The next prime is 265640352402163. The reversal of 265640352402162 is 261204253046562.

It is not an unprimeable number, because it can be changed into a prime (265640352402163) 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, 159256805163 + ... + 159256806830.

It is an arithmetic number, because the mean of its divisors is an integer number (33443929259370).

Almost surely, 2^{265640352402162} is an apocalyptic number.

265640352402162 is an abundant number, since it is smaller than the sum of its proper divisors (269462515747758).

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

265640352402162 is a wasteful number, since it uses less digits than its factorization.

265640352402162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318513612137.

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

The spelling of 265640352402162 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred fifty-two million, four hundred two thousand, one hundred sixty-two".