2566264956 has 12 divisors (see below), whose sum is σ = 5987951592. Its totient is φ = 855421648.

The previous prime is 2566264949. The next prime is 2566265017. The reversal of 2566264956 is 6594626652.

2566264956 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2566264899 and 2566264908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106927695 + ... + 106927718.

It is an arithmetic number, because the mean of its divisors is an integer number (498995966).

Almost surely, 2^2566264956 is an apocalyptic number.

It is an amenable number.

2566264956 is an abundant number, since it is smaller than the sum of its proper divisors (3421686636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2566264956 is a wasteful number, since it uses less digits than its factorization.

2566264956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213855420 (or 213855418 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 51.

The square root of 2566264956 is about 50658.3157635546. The cubic root of 2566264956 is about 1369.0957778483.

The spelling of 2566264956 in words is "two billion, five hundred sixty-six million, two hundred sixty-four thousand, nine hundred fifty-six".