2566562164 has 12 divisors (see below), whose sum is σ = 4523797600. Its totient is φ = 1274048568.

The previous prime is 2566562093. The next prime is 2566562171. The reversal of 2566562164 is 4612656652.

It is a happy number.

2566562164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2566562164.

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, 2307504 + ... + 2308615.

Almost surely, 2^2566562164 is an apocalyptic number.

It is an amenable number.

2566562164 is a deficient number, since it is larger than the sum of its proper divisors (1957235436).

2566562164 is a wasteful number, since it uses less digits than its factorization.

2566562164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616262 (or 4616260 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 2566562164 is about 50661.2491358040. The cubic root of 2566562164 is about 1369.1486290435.

The spelling of 2566562164 in words is "two billion, five hundred sixty-six million, five hundred sixty-two thousand, one hundred sixty-four".