2566462656 has 56 divisors (see below), whose sum is σ = 6800721984. Its totient is φ = 854191360.

The previous prime is 2566462643. The next prime is 2566462663. The reversal of 2566462656 is 6562646652.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121351 + ... + 140921.

It is an arithmetic number, because the mean of its divisors is an integer number (121441464).

Almost surely, 2^2566462656 is an apocalyptic number.

It is an amenable number.

2566462656 is an abundant number, since it is smaller than the sum of its proper divisors (4234259328).

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

2566462656 is a wasteful number, since it uses less digits than its factorization.

2566462656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20269 (or 20259 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The square root of 2566462656 is about 50660.2670344324. The cubic root of 2566462656 is about 1369.1309344267.

The spelling of 2566462656 in words is "two billion, five hundred sixty-six million, four hundred sixty-two thousand, six hundred fifty-six".