3420344666 has 8 divisors (see below), whose sum is σ = 5178466080. Its totient is φ = 1694189308.

The previous prime is 3420344663. The next prime is 3420344693. The reversal of 3420344666 is 6664430243.

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 (3420344663) 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, 7991246 + ... + 7991673.

It is an arithmetic number, because the mean of its divisors is an integer number (647308260).

Almost surely, 2^3420344666 is an apocalyptic number.

3420344666 is a deficient number, since it is larger than the sum of its proper divisors (1758121414).

3420344666 is a wasteful number, since it uses less digits than its factorization.

3420344666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15983028.

The product of its (nonzero) digits is 248832, while the sum is 38.

The square root of 3420344666 is about 58483.7128267349. The cubic root of 3420344666 is about 1506.6878656161.

The spelling of 3420344666 in words is "three billion, four hundred twenty million, three hundred forty-four thousand, six hundred sixty-six".