2566133066 has 16 divisors (see below), whose sum is σ = 4540992000. Its totient is φ = 1064294640.

The previous prime is 2566133021. The next prime is 2566133083. The reversal of 2566133066 is 6603316652.

It is a happy number.

It is a Curzon number.

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, 2955941 + ... + 2956808.

It is an arithmetic number, because the mean of its divisors is an integer number (283812000).

Almost surely, 2^2566133066 is an apocalyptic number.

2566133066 is a deficient number, since it is larger than the sum of its proper divisors (1974858934).

2566133066 is a wasteful number, since it uses less digits than its factorization.

2566133066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912789.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 2566133066 is about 50657.0139862191. The cubic root of 2566133066 is about 1369.0723231208.

The spelling of 2566133066 in words is "two billion, five hundred sixty-six million, one hundred thirty-three thousand, sixty-six".