666000346 has 8 divisors (see below), whose sum is σ = 1089818784. Its totient is φ = 302727420.

The previous prime is 666000343. The next prime is 666000359. The reversal of 666000346 is 643000666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (666000343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15136350 + ... + 15136393.

It is an arithmetic number, because the mean of its divisors is an integer number (136227348).

Almost surely, 2^666000346 is an apocalyptic number.

666000346 is a deficient number, since it is larger than the sum of its proper divisors (423818438).

666000346 is a wasteful number, since it uses less digits than its factorization.

666000346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30272756.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 666000346 is about 25806.9825047408. The cubic root of 666000346 is about 873.2893253598.

The spelling of 666000346 in words is "six hundred sixty-six million, three hundred forty-six", and thus it is an aban number.