6640416059 has 2 divisors, whose sum is σ = 6640416060. Its totient is φ = 6640416058.

The previous prime is 6640416037. The next prime is 6640416067. The reversal of 6640416059 is 9506140466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6640416059 - 2¹² = 6640411963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6640416859) 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, 3320208029 + 3320208030.

It is an arithmetic number, because the mean of its divisors is an integer number (3320208030).

Almost surely, 2^6640416059 is an apocalyptic number.

6640416059 is a deficient number, since it is larger than the sum of its proper divisors (1).

6640416059 is an equidigital number, since it uses as much as digits as its factorization.

6640416059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6640416059 is about 81488.7480514948. The cubic root of 6640416059 is about 1879.5985315779.

The spelling of 6640416059 in words is "six billion, six hundred forty million, four hundred sixteen thousand, fifty-nine".