4981616663 has 2 divisors, whose sum is σ = 4981616664. Its totient is φ = 4981616662.

The previous prime is 4981616617. The next prime is 4981616699. The reversal of 4981616663 is 3666161894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4981616663 - 2⁶ = 4981616599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4981616603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490808331 + 2490808332.

It is an arithmetic number, because the mean of its divisors is an integer number (2490808332).

Almost surely, 2^4981616663 is an apocalyptic number.

4981616663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4981616663 is an equidigital number, since it uses as much as digits as its factorization.

4981616663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 4981616663 is about 70580.5685936292. The cubic root of 4981616663 is about 1707.8777021167.

It can be divided in two parts, 498 and 1616663, that added together give a palindrome (1617161).

The spelling of 4981616663 in words is "four billion, nine hundred eighty-one million, six hundred sixteen thousand, six hundred sixty-three".