345323666 has 8 divisors (see below), whose sum is σ = 518386944. Its totient is φ = 172528020.

The previous prime is 345323621. The next prime is 345323687. The reversal of 345323666 is 666323543.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63650 + ... + 68861.

It is an arithmetic number, because the mean of its divisors is an integer number (64798368).

Almost surely, 2^345323666 is an apocalyptic number.

345323666 is a deficient number, since it is larger than the sum of its proper divisors (173063278).

345323666 is a wasteful number, since it uses less digits than its factorization.

345323666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133816.

The product of its digits is 233280, while the sum is 38.

The square root of 345323666 is about 18582.8863742961. The cubic root of 345323666 is about 701.5771689841.

The spelling of 345323666 in words is "three hundred forty-five million, three hundred twenty-three thousand, six hundred sixty-six".