18091677306 has 16 divisors (see below), whose sum is σ = 36866060064. Its totient is φ = 5916774864.

The previous prime is 18091677281. The next prime is 18091677323. The reversal of 18091677306 is 60377619081.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28445716 + ... + 28446351.

It is an arithmetic number, because the mean of its divisors is an integer number (2304128754).

Almost surely, 2^18091677306 is an apocalyptic number.

18091677306 is an abundant number, since it is smaller than the sum of its proper divisors (18774382758).

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

18091677306 is a wasteful number, since it uses less digits than its factorization.

18091677306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56892125.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 18091677306 in words is "eighteen billion, ninety-one million, six hundred seventy-seven thousand, three hundred six".