100664659 has 2 divisors, whose sum is σ = 100664660. Its totient is φ = 100664658.

The previous prime is 100664651. The next prime is 100664671. The reversal of 100664659 is 956466001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100664659 - 2³ = 100664651 is a prime.

It is not a weakly prime, because it can be changed into another prime (100664651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50332329 + 50332330.

It is an arithmetic number, because the mean of its divisors is an integer number (50332330).

Almost surely, 2^100664659 is an apocalyptic number.

100664659 is a deficient number, since it is larger than the sum of its proper divisors (1).

100664659 is an equidigital number, since it uses as much as digits as its factorization.

100664659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 100664659 is about 10033.1779113101. The cubic root of 100664659 is about 465.1849713101.

The spelling of 100664659 in words is "one hundred million, six hundred sixty-four thousand, six hundred fifty-nine".