2266616461 has 2 divisors, whose sum is σ = 2266616462. Its totient is φ = 2266616460.

The previous prime is 2266616449. The next prime is 2266616479. The reversal of 2266616461 is 1646166622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067975625 + 198640836 = 45475^2 + 14094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266616461 - 2⁷ = 2266616333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2266616861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133308230 + 1133308231.

It is an arithmetic number, because the mean of its divisors is an integer number (1133308231).

Almost surely, 2^2266616461 is an apocalyptic number.

It is an amenable number.

2266616461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266616461 is an equidigital number, since it uses as much as digits as its factorization.

2266616461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 2266616461 is about 47608.9955890691. The cubic root of 2266616461 is about 1313.5885255622.

The spelling of 2266616461 in words is "two billion, two hundred sixty-six million, six hundred sixteen thousand, four hundred sixty-one".