100668097 has 2 divisors, whose sum is σ = 100668098. Its totient is φ = 100668096.

The previous prime is 100668091. The next prime is 100668107. The reversal of 100668097 is 790866001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94497841 + 6170256 = 9721^2 + 2484^2 .

It is a cyclic number.

It is not a de Polignac number, because 100668097 - 2³ = 100668089 is a prime.

It is not a weakly prime, because it can be changed into another prime (100668091) 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, 50334048 + 50334049.

It is an arithmetic number, because the mean of its divisors is an integer number (50334049).

Almost surely, 2^100668097 is an apocalyptic number.

It is an amenable number.

100668097 is a deficient number, since it is larger than the sum of its proper divisors (1).

100668097 is an equidigital number, since it uses as much as digits as its factorization.

100668097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 100668097 is about 10033.3492414049. The cubic root of 100668097 is about 465.1902670705.

The spelling of 100668097 in words is "one hundred million, six hundred sixty-eight thousand, ninety-seven".