2566622116 has 12 divisors (see below), whose sum is σ = 4524374988. Its totient is φ = 1273943552.

The previous prime is 2566622077. The next prime is 2566622129. The reversal of 2566622116 is 6112266652.

It can be written as a sum of positive squares in 2 ways, for example, as 1065369600 + 1501252516 = 32640^2 + 38746^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341261 + ... + 2342356.

It is an arithmetic number, because the mean of its divisors is an integer number (377031249).

Almost surely, 2^2566622116 is an apocalyptic number.

It is an amenable number.

2566622116 is a deficient number, since it is larger than the sum of its proper divisors (1957752872).

2566622116 is a wasteful number, since it uses less digits than its factorization.

2566622116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683758 (or 4683756 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 2566622116 is about 50661.8408271946. The cubic root of 2566622116 is about 1369.1592895503.

Adding to 2566622116 its reverse (6112266652), we get a palindrome (8678888768).

The spelling of 2566622116 in words is "two billion, five hundred sixty-six million, six hundred twenty-two thousand, one hundred sixteen".