265105616 has 20 divisors (see below), whose sum is σ = 543856932. Its totient is φ = 124755456.

The previous prime is 265105609. The next prime is 265105619. The reversal of 265105616 is 616501562.

265105616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 246615616 + 18490000 = 15704^2 + 4300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265105619) 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, 487055 + ... + 487598.

Almost surely, 2^265105616 is an apocalyptic number.

It is an amenable number.

265105616 is an abundant number, since it is smaller than the sum of its proper divisors (278751316).

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

265105616 is a wasteful number, since it uses less digits than its factorization.

265105616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974678 (or 974672 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 265105616 is about 16282.0642425953. The cubic root of 265105616 is about 642.4011493822.

The spelling of 265105616 in words is "two hundred sixty-five million, one hundred five thousand, six hundred sixteen".