305381606168 has 8 divisors (see below), whose sum is σ = 572590511580. Its totient is φ = 152690803080.

The previous prime is 305381606087. The next prime is 305381606171. The reversal of 305381606168 is 861606183503.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19086350378 + ... + 19086350393.

Almost surely, 2^305381606168 is an apocalyptic number.

It is an amenable number.

305381606168 is a deficient number, since it is larger than the sum of its proper divisors (267208905412).

305381606168 is a wasteful number, since it uses less digits than its factorization.

305381606168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38172700777 (or 38172700773 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 305381606168 in words is "three hundred five billion, three hundred eighty-one million, six hundred six thousand, one hundred sixty-eight".