100661366207 has 2 divisors, whose sum is σ = 100661366208. Its totient is φ = 100661366206.

The previous prime is 100661366177. The next prime is 100661366213. The reversal of 100661366207 is 702663166001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100661366207 - 2²² = 100657171903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100661366287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330683103 + 50330683104.

It is an arithmetic number, because the mean of its divisors is an integer number (50330683104).

Almost surely, 2^100661366207 is an apocalyptic number.

100661366207 is a deficient number, since it is larger than the sum of its proper divisors (1).

100661366207 is an equidigital number, since it uses as much as digits as its factorization.

100661366207 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 38.

The spelling of 100661366207 in words is "one hundred billion, six hundred sixty-one million, three hundred sixty-six thousand, two hundred seven".