4466520661 has 2 divisors, whose sum is σ = 4466520662. Its totient is φ = 4466520660.

The previous prime is 4466520631. The next prime is 4466520671. The reversal of 4466520661 is 1660256644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4426906225 + 39614436 = 66535^2 + 6294^2 .

It is a cyclic number.

It is not a de Polignac number, because 4466520661 - 2²³ = 4458132053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4466520631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2233260330 + 2233260331.

It is an arithmetic number, because the mean of its divisors is an integer number (2233260331).

Almost surely, 2^4466520661 is an apocalyptic number.

It is an amenable number.

4466520661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4466520661 is an equidigital number, since it uses as much as digits as its factorization.

4466520661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 4466520661 is about 66832.0331951677. The cubic root of 4466520661 is about 1646.8591196320.

The spelling of 4466520661 in words is "four billion, four hundred sixty-six million, five hundred twenty thousand, six hundred sixty-one".