2566029161 has 2 divisors, whose sum is σ = 2566029162. Its totient is φ = 2566029160.

The previous prime is 2566029149. The next prime is 2566029197. The reversal of 2566029161 is 1619206652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560360000 + 5669161 = 50600^2 + 2381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2566029161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2566029461) 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 as a sum of consecutive naturals, namely, 1283014580 + 1283014581.

It is an arithmetic number, because the mean of its divisors is an integer number (1283014581).

Almost surely, 2^2566029161 is an apocalyptic number.

It is an amenable number.

2566029161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566029161 is an equidigital number, since it uses as much as digits as its factorization.

2566029161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2566029161 is about 50655.9884021623. The cubic root of 2566029161 is about 1369.0538445546.

The spelling of 2566029161 in words is "two billion, five hundred sixty-six million, twenty-nine thousand, one hundred sixty-one".