18025337194 has 16 divisors (see below), whose sum is σ = 27466813440. Its totient is φ = 8870828400.

The previous prime is 18025337131. The next prime is 18025337251. The reversal of 18025337194 is 49173352081.

It is a self number, because there is not a number n which added to its sum of digits gives 18025337194.

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, 240874 + ... + 306709.

It is an arithmetic number, because the mean of its divisors is an integer number (1716675840).

Almost surely, 2^18025337194 is an apocalyptic number.

18025337194 is a deficient number, since it is larger than the sum of its proper divisors (9441476246).

18025337194 is a wasteful number, since it uses less digits than its factorization.

18025337194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547845.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 18025337194 in words is "eighteen billion, twenty-five million, three hundred thirty-seven thousand, one hundred ninety-four".