306345331666 has 16 divisors (see below), whose sum is σ = 501453092448. Its totient is φ = 139203230400.

The previous prime is 306345331627. The next prime is 306345331679. The reversal of 306345331666 is 666133543603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162160 + ... + 2299483.

It is an arithmetic number, because the mean of its divisors is an integer number (31340818278).

Almost surely, 2^306345331666 is an apocalyptic number.

306345331666 is a deficient number, since it is larger than the sum of its proper divisors (195107760782).

306345331666 is a wasteful number, since it uses less digits than its factorization.

306345331666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464777.

The product of its (nonzero) digits is 2099520, while the sum is 46.

The spelling of 306345331666 in words is "three hundred six billion, three hundred forty-five million, three hundred thirty-one thousand, six hundred sixty-six".