18098584894 has 16 divisors (see below), whose sum is σ = 29242659600. Its totient is φ = 8351340480.

The previous prime is 18098584841. The next prime is 18098584901. The reversal of 18098584894 is 49848589081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46009 + ... + 195739.

It is an arithmetic number, because the mean of its divisors is an integer number (1827666225).

Almost surely, 2^18098584894 is an apocalyptic number.

18098584894 is a deficient number, since it is larger than the sum of its proper divisors (11144074706).

18098584894 is a wasteful number, since it uses less digits than its factorization.

18098584894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154395.

The product of its (nonzero) digits is 26542080, while the sum is 64.

The spelling of 18098584894 in words is "eighteen billion, ninety-eight million, five hundred eighty-four thousand, eight hundred ninety-four".