2566133670 has 16 divisors (see below), whose sum is σ = 6158720880. Its totient is φ = 684302304.

The previous prime is 2566133651. The next prime is 2566133677. The reversal of 2566133670 is 763316652.

2566133670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566133677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42768865 + ... + 42768924.

It is an arithmetic number, because the mean of its divisors is an integer number (384920055).

Almost surely, 2^2566133670 is an apocalyptic number.

2566133670 is an abundant number, since it is smaller than the sum of its proper divisors (3592587210).

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

2566133670 is a wasteful number, since it uses less digits than its factorization.

2566133670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85537799.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 2566133670 is about 50657.0199478809. The cubic root of 2566133670 is about 1369.0724305353.

The spelling of 2566133670 in words is "two billion, five hundred sixty-six million, one hundred thirty-three thousand, six hundred seventy".