666000107 has 2 divisors, whose sum is σ = 666000108. Its totient is φ = 666000106.

The previous prime is 666000089. The next prime is 666000119. The reversal of 666000107 is 701000666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 666000107 - 2⁶ = 666000043 is a prime.

It is a super-2 number, since 2×666000107² = 887112285048022898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (666000607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333000053 + 333000054.

It is an arithmetic number, because the mean of its divisors is an integer number (333000054).

Almost surely, 2^666000107 is an apocalyptic number.

666000107 is a deficient number, since it is larger than the sum of its proper divisors (1).

666000107 is an equidigital number, since it uses as much as digits as its factorization.

666000107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 666000107 is about 25806.9778742107. The cubic root of 666000107 is about 873.2892208973.

The spelling of 666000107 in words is "six hundred sixty-six million, one hundred seven", and thus it is an aban number.