7316578663 has 2 divisors, whose sum is σ = 7316578664. Its totient is φ = 7316578662.

The previous prime is 7316578649. The next prime is 7316578667. The reversal of 7316578663 is 3668756137.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7316578663 - 2⁵ = 7316578631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7316578663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7316578667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658289331 + 3658289332.

It is an arithmetic number, because the mean of its divisors is an integer number (3658289332).

Almost surely, 2^7316578663 is an apocalyptic number.

7316578663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7316578663 is an equidigital number, since it uses as much as digits as its factorization.

7316578663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 52.

The square root of 7316578663 is about 85537.0017185545. The cubic root of 7316578663 is about 1941.3448236443.

The spelling of 7316578663 in words is "seven billion, three hundred sixteen million, five hundred seventy-eight thousand, six hundred sixty-three".