305338992166 has 16 divisors (see below), whose sum is σ = 493517553984. Its totient is φ = 140846361984.

The previous prime is 305338992151. The next prime is 305338992173. The reversal of 305338992166 is 661299833503.

It is a congruent number.

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, 3258190 + ... + 3350593.

It is an arithmetic number, because the mean of its divisors is an integer number (30844847124).

Almost surely, 2^305338992166 is an apocalyptic number.

305338992166 is a deficient number, since it is larger than the sum of its proper divisors (188178561818).

305338992166 is a wasteful number, since it uses less digits than its factorization.

305338992166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610575.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 305338992166 in words is "three hundred five billion, three hundred thirty-eight million, nine hundred ninety-two thousand, one hundred sixty-six".