265156016304216 has 16 divisors (see below), whose sum is σ = 662890040760600. Its totient is φ = 88385338768064.

The previous prime is 265156016304199. The next prime is 265156016304241. The reversal of 265156016304216 is 612403610651562.

It is a happy number.

It is a super-2 number, since 2×265156016304216² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524083672981 + ... + 5524083673028.

Almost surely, 2^{265156016304216} is an apocalyptic number.

It is an amenable number.

265156016304216 is an abundant number, since it is smaller than the sum of its proper divisors (397734024456384).

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

265156016304216 is a wasteful number, since it uses less digits than its factorization.

265156016304216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048167346018 (or 11048167346014 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

Adding to 265156016304216 its reverse (612403610651562), we get a palindrome (877559626955778).

The spelling of 265156016304216 in words is "two hundred sixty-five trillion, one hundred fifty-six billion, sixteen million, three hundred four thousand, two hundred sixteen".