100664027 has 2 divisors, whose sum is σ = 100664028. Its totient is φ = 100664026.

The previous prime is 100664023. The next prime is 100664101. The reversal of 100664027 is 720466001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100664027 - 2² = 100664023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100663987 and 100664005.

It is not a weakly prime, because it can be changed into another prime (100664023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50332013 + 50332014.

It is an arithmetic number, because the mean of its divisors is an integer number (50332014).

Almost surely, 2^100664027 is an apocalyptic number.

100664027 is a deficient number, since it is larger than the sum of its proper divisors (1).

100664027 is an equidigital number, since it uses as much as digits as its factorization.

100664027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 100664027 is about 10033.1464157561. The cubic root of 100664027 is about 465.1839977890.

The spelling of 100664027 in words is "one hundred million, six hundred sixty-four thousand, twenty-seven".