18055874398 has 8 divisors (see below), whose sum is σ = 27084800808. Its totient is φ = 9027607464.

The previous prime is 18055874357. The next prime is 18055874399. The reversal of 18055874398 is 89347855081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18055874399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89536 + ... + 210067.

It is an arithmetic number, because the mean of its divisors is an integer number (3385600101).

Almost surely, 2^18055874398 is an apocalyptic number.

18055874398 is a deficient number, since it is larger than the sum of its proper divisors (9028926410).

18055874398 is a wasteful number, since it uses less digits than its factorization.

18055874398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329738.

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 18055874398 in words is "eighteen billion, fifty-five million, eight hundred seventy-four thousand, three hundred ninety-eight".