163008733913 has 2 divisors, whose sum is σ = 163008733914. Its totient is φ = 163008733912.

The previous prime is 163008733903. The next prime is 163008733949. The reversal of 163008733913 is 319337800361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116575810624 + 46432923289 = 341432^2 + 215483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163008733913 is a prime.

It is not a weakly prime, because it can be changed into another prime (163008733903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81504366956 + 81504366957.

It is an arithmetic number, because the mean of its divisors is an integer number (81504366957).

Almost surely, 2^163008733913 is an apocalyptic number.

It is an amenable number.

163008733913 is a deficient number, since it is larger than the sum of its proper divisors (1).

163008733913 is an equidigital number, since it uses as much as digits as its factorization.

163008733913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 163008733913 in words is "one hundred sixty-three billion, eight million, seven hundred thirty-three thousand, nine hundred thirteen".