2126752566 has 16 divisors (see below), whose sum is σ = 4352424384. Its totient is φ = 692430984.

The previous prime is 2126752487. The next prime is 2126752567. The reversal of 2126752566 is 6652576212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126752567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121356 + ... + 4121871.

It is an arithmetic number, because the mean of its divisors is an integer number (272026524).

Almost surely, 2^2126752566 is an apocalyptic number.

2126752566 is an abundant number, since it is smaller than the sum of its proper divisors (2225671818).

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

2126752566 is a wasteful number, since it uses less digits than its factorization.

2126752566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243275.

The product of its digits is 302400, while the sum is 42.

The square root of 2126752566 is about 46116.7276159096. The cubic root of 2126752566 is about 1285.9941366947.

The spelling of 2126752566 in words is "two billion, one hundred twenty-six million, seven hundred fifty-two thousand, five hundred sixty-six".