2566264136 has 8 divisors (see below), whose sum is σ = 4811745270. Its totient is φ = 1283132064.

The previous prime is 2566264069. The next prime is 2566264157. The reversal of 2566264136 is 6314626652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1503112900 + 1063151236 = 38770^2 + 32606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2566264093 and 2566264102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160391501 + ... + 160391516.

Almost surely, 2^2566264136 is an apocalyptic number.

It is an amenable number.

2566264136 is a deficient number, since it is larger than the sum of its proper divisors (2245481134).

2566264136 is a wasteful number, since it uses less digits than its factorization.

2566264136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320783023 (or 320783019 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 2566264136 is about 50658.3076701147. The cubic root of 2566264136 is about 1369.0956320257.

It can be divided in two parts, 25662 and 64136, that added together give a palindrome (89798).

The spelling of 2566264136 in words is "two billion, five hundred sixty-six million, two hundred sixty-four thousand, one hundred thirty-six".