346106666 has 8 divisors (see below), whose sum is σ = 531822564. Its totient is φ = 168832480.

The previous prime is 346106659. The next prime is 346106669. The reversal of 346106666 is 666601643.

It can be written as a sum of positive squares in 2 ways, for example, as 216943441 + 129163225 = 14729^2 + 11365^2 .

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 (346106669) 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, 2110325 + ... + 2110488.

Almost surely, 2^346106666 is an apocalyptic number.

346106666 is a deficient number, since it is larger than the sum of its proper divisors (185715898).

346106666 is a wasteful number, since it uses less digits than its factorization.

346106666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220856.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 346106666 is about 18603.9422166378. The cubic root of 346106666 is about 702.1070296195.

The spelling of 346106666 in words is "three hundred forty-six million, one hundred six thousand, six hundred sixty-six".