163879350113 has 2 divisors, whose sum is σ = 163879350114. Its totient is φ = 163879350112.

The previous prime is 163879350091. The next prime is 163879350127. The reversal of 163879350113 is 311053978361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134852731729 + 29026618384 = 367223^2 + 170372^2 .

It is a cyclic number.

It is not a de Polignac number, because 163879350113 - 2⁶ = 163879350049 is a prime.

It is a super-2 number, since 2×163879350113² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163879350143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81939675056 + 81939675057.

It is an arithmetic number, because the mean of its divisors is an integer number (81939675057).

Almost surely, 2^163879350113 is an apocalyptic number.

It is an amenable number.

163879350113 is a deficient number, since it is larger than the sum of its proper divisors (1).

163879350113 is an equidigital number, since it uses as much as digits as its factorization.

163879350113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 163879350113 in words is "one hundred sixty-three billion, eight hundred seventy-nine million, three hundred fifty thousand, one hundred thirteen".