666000434 has 16 divisors (see below), whose sum is σ = 1113008256. Its totient is φ = 296286000.

The previous prime is 666000371. The next prime is 666000473. The reversal of 666000434 is 434000666.

666000434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 666000397 and 666000406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321017 + ... + 323084.

It is an arithmetic number, because the mean of its divisors is an integer number (69563016).

Almost surely, 2^666000434 is an apocalyptic number.

666000434 is a deficient number, since it is larger than the sum of its proper divisors (447007822).

666000434 is a wasteful number, since it uses less digits than its factorization.

666000434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644161.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 666000434 is about 25806.9842097057. The cubic root of 666000434 is about 873.2893638230.

The spelling of 666000434 in words is "six hundred sixty-six million, four hundred thirty-four", and thus it is an aban number.