2566986952 has 16 divisors (see below), whose sum is σ = 4813782300. Its totient is φ = 1283311680.

The previous prime is 2566986949. The next prime is 2566986959. The reversal of 2566986952 is 2596896652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2467506276 + 99480676 = 49674^2 + 9974^2 .

It is not an unprimeable number, because it can be changed into a prime (2566986959) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51574 + ... + 88282.

Almost surely, 2^2566986952 is an apocalyptic number.

It is an amenable number.

2566986952 is a deficient number, since it is larger than the sum of its proper divisors (2246795348).

2566986952 is a wasteful number, since it uses less digits than its factorization.

2566986952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45456 (or 45452 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 58.

The square root of 2566986952 is about 50665.4413974654. The cubic root of 2566986952 is about 1369.2241601480.

The spelling of 2566986952 in words is "two billion, five hundred sixty-six million, nine hundred eighty-six thousand, nine hundred fifty-two".