63320313163 has 4 divisors (see below), whose sum is σ = 63342777960. Its totient is φ = 63297848368.

The previous prime is 63320313143. The next prime is 63320313169. The reversal of 63320313163 is 36131302336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63320313163 - 2⁵ = 63320313131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63320313169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11228170 + ... + 11233807.

It is an arithmetic number, because the mean of its divisors is an integer number (15835694490).

Almost surely, 2^63320313163 is an apocalyptic number.

63320313163 is a deficient number, since it is larger than the sum of its proper divisors (22464797).

63320313163 is a wasteful number, since it uses less digits than its factorization.

63320313163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22464796.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 63320313163 its reverse (36131302336), we get a palindrome (99451615499).

The spelling of 63320313163 in words is "sixty-three billion, three hundred twenty million, three hundred thirteen thousand, one hundred sixty-three".