666000430 has 16 divisors (see below), whose sum is σ = 1207427760. Its totient is φ = 264483072.

The previous prime is 666000371. The next prime is 666000473. The reversal of 666000430 is 34000666.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 666000395 and 666000404.

It is a congruent number.

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, 238179 + ... + 240958.

It is an arithmetic number, because the mean of its divisors is an integer number (75464235).

Almost surely, 2^666000430 is an apocalyptic number.

666000430 is a deficient number, since it is larger than the sum of its proper divisors (541427330).

666000430 is a wasteful number, since it uses less digits than its factorization.

666000430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479283.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 666000430 is about 25806.9841322073. The cubic root of 666000430 is about 873.2893620747.

The spelling of 666000430 in words is "six hundred sixty-six million, four hundred thirty", and thus it is an aban number.