3309774666 has 32 divisors (see below), whose sum is σ = 7223966208. Its totient is φ = 1002595440.

The previous prime is 3309774641. The next prime is 3309774691. The reversal of 3309774666 is 6664779033.

It is an interprime number because it is at equal distance from previous prime (3309774641) and next prime (3309774691).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213411 + ... + 228393.

It is an arithmetic number, because the mean of its divisors is an integer number (225748944).

Almost surely, 2^3309774666 is an apocalyptic number.

3309774666 is an abundant number, since it is smaller than the sum of its proper divisors (3914191542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3309774666 is a wasteful number, since it uses less digits than its factorization.

3309774666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18346.

The product of its (nonzero) digits is 3429216, while the sum is 51.

The square root of 3309774666 is about 57530.6411054144. The cubic root of 3309774666 is about 1490.2740612644.

The spelling of 3309774666 in words is "three billion, three hundred nine million, seven hundred seventy-four thousand, six hundred sixty-six".