2516726865 has 64 divisors (see below), whose sum is σ = 4301429760. Its totient is φ = 1254113280.

The previous prime is 2516726843. The next prime is 2516726873. The reversal of 2516726865 is 5686276152.

It is a happy number.

It is not a de Polignac number, because 2516726865 - 2¹⁵ = 2516694097 is a prime.

It is a super-2 number, since 2×2516726865² = 12667828226025456450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4361457 + ... + 4362033.

It is an arithmetic number, because the mean of its divisors is an integer number (67209840).

Almost surely, 2^2516726865 is an apocalyptic number.

It is an amenable number.

2516726865 is a deficient number, since it is larger than the sum of its proper divisors (1784702895).

2516726865 is a wasteful number, since it uses less digits than its factorization.

2516726865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its digits is 1209600, while the sum is 48.

The square root of 2516726865 is about 50166.9897940867. The cubic root of 2516726865 is about 1360.2289956453.

The spelling of 2516726865 in words is "two billion, five hundred sixteen million, seven hundred twenty-six thousand, eight hundred sixty-five".