100668913 has 2 divisors, whose sum is σ = 100668914. Its totient is φ = 100668912.

The previous prime is 100668881. The next prime is 100668937. The reversal of 100668913 is 319866001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100641024 + 27889 = 10032^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 100668913 - 2⁵ = 100668881 is a prime.

It is not a weakly prime, because it can be changed into another prime (100660913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50334456 + 50334457.

It is an arithmetic number, because the mean of its divisors is an integer number (50334457).

Almost surely, 2^100668913 is an apocalyptic number.

It is an amenable number.

100668913 is a deficient number, since it is larger than the sum of its proper divisors (1).

100668913 is an equidigital number, since it uses as much as digits as its factorization.

100668913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 100668913 is about 10033.3899057098. The cubic root of 100668913 is about 465.1915239872.

The spelling of 100668913 in words is "one hundred million, six hundred sixty-eight thousand, nine hundred thirteen".