2616501265 has 24 divisors (see below), whose sum is σ = 3674885760. Its totient is φ = 1783137888.

The previous prime is 2616501247. The next prime is 2616501269. The reversal of 2616501265 is 5621056162.

It is not a de Polignac number, because 2616501265 - 2¹⁵ = 2616468497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2616501265.

It is not an unprimeable number, because it can be changed into a prime (2616501269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7176 + ... + 72694.

It is an arithmetic number, because the mean of its divisors is an integer number (153120240).

Almost surely, 2^2616501265 is an apocalyptic number.

It is an amenable number.

2616501265 is a deficient number, since it is larger than the sum of its proper divisors (1058384495).

2616501265 is a wasteful number, since it uses less digits than its factorization.

2616501265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65701 (or 65694 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2616501265 is about 51151.7474286070. The cubic root of 2616501265 is about 1377.9717570430.

The spelling of 2616501265 in words is "two billion, six hundred sixteen million, five hundred one thousand, two hundred sixty-five".