100668937 has 2 divisors, whose sum is σ = 100668938. Its totient is φ = 100668936.

The previous prime is 100668913. The next prime is 100668959. The reversal of 100668937 is 739866001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99620361 + 1048576 = 9981^2 + 1024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100668937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100668937.

It is not a weakly prime, because it can be changed into another prime (100668437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50334468 + 50334469.

It is an arithmetic number, because the mean of its divisors is an integer number (50334469).

Almost surely, 2^100668937 is an apocalyptic number.

It is an amenable number.

100668937 is a deficient number, since it is larger than the sum of its proper divisors (1).

100668937 is an equidigital number, since it uses as much as digits as its factorization.

100668937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 100668937 is about 10033.3911017163. The cubic root of 100668937 is about 465.1915609552.

The spelling of 100668937 in words is "one hundred million, six hundred sixty-eight thousand, nine hundred thirty-seven".