265204131321416 has 16 divisors (see below), whose sum is σ = 568294567117440. Its totient is φ = 113658913423440.

The previous prime is 265204131321413. The next prime is 265204131321431. The reversal of 265204131321416 is 614123131402562.

It is not an unprimeable number, because it can be changed into a prime (265204131321413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2367894029600 + ... + 2367894029711.

It is an arithmetic number, because the mean of its divisors is an integer number (35518410444840).

Almost surely, 2^{265204131321416} is an apocalyptic number.

It is an amenable number.

265204131321416 is an abundant number, since it is smaller than the sum of its proper divisors (303090435796024).

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

265204131321416 is a wasteful number, since it uses less digits than its factorization.

265204131321416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735788059324 (or 4735788059320 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 265204131321416 its reverse (614123131402562), we get a palindrome (879327262723978).

The spelling of 265204131321416 in words is "two hundred sixty-five trillion, two hundred four billion, one hundred thirty-one million, three hundred twenty-one thousand, four hundred sixteen".