2752266661 has 2 divisors, whose sum is σ = 2752266662. Its totient is φ = 2752266660.

The previous prime is 2752266623. The next prime is 2752266667. The reversal of 2752266661 is 1666622572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2569881636 + 182385025 = 50694^2 + 13505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2752266661 - 2²⁵ = 2718712229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2752266667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376133330 + 1376133331.

It is an arithmetic number, because the mean of its divisors is an integer number (1376133331).

Almost surely, 2^2752266661 is an apocalyptic number.

It is an amenable number.

2752266661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2752266661 is an equidigital number, since it uses as much as digits as its factorization.

2752266661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 2752266661 is about 52462.0497216798. The cubic root of 2752266661 is about 1401.4044852718.

The spelling of 2752266661 in words is "two billion, seven hundred fifty-two million, two hundred sixty-six thousand, six hundred sixty-one".