345666266 has 24 divisors (see below), whose sum is σ = 578454240. Its totient is φ = 154768680.

The previous prime is 345666239. The next prime is 345666289. The reversal of 345666266 is 662666543.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5555 + ... + 26873.

It is an arithmetic number, because the mean of its divisors is an integer number (24102260).

Almost surely, 2^345666266 is an apocalyptic number.

345666266 is a deficient number, since it is larger than the sum of its proper divisors (232787974).

345666266 is a wasteful number, since it uses less digits than its factorization.

345666266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21410 (or 21399 counting only the distinct ones).

The product of its digits is 933120, while the sum is 44.

The square root of 345666266 is about 18592.1022479977. The cubic root of 345666266 is about 701.8091068416.

The spelling of 345666266 in words is "three hundred forty-five million, six hundred sixty-six thousand, two hundred sixty-six".