2566133542 has 32 divisors (see below), whose sum is σ = 4577513472. Its totient is φ = 1056048864.

The previous prime is 2566133533. The next prime is 2566133587. The reversal of 2566133542 is 2453316652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1918 + ... + 71665.

It is an arithmetic number, because the mean of its divisors is an integer number (143047296).

Almost surely, 2^2566133542 is an apocalyptic number.

2566133542 is a deficient number, since it is larger than the sum of its proper divisors (2011379930).

2566133542 is a wasteful number, since it uses less digits than its factorization.

2566133542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73692.

The product of its digits is 129600, while the sum is 37.

The square root of 2566133542 is about 50657.0186844824. The cubic root of 2566133542 is about 1369.0724077720.

The spelling of 2566133542 in words is "two billion, five hundred sixty-six million, one hundred thirty-three thousand, five hundred forty-two".