18058007198 has 32 divisors (see below), whose sum is σ = 33785710848. Its totient is φ = 7032484800.

The previous prime is 18058007183. The next prime is 18058007243. The reversal of 18058007198 is 89170085081.

It is a super-2 number, since 2×18058007198² (a number of 21 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 341393 + ... + 390723.

It is an arithmetic number, because the mean of its divisors is an integer number (1055803464).

Almost surely, 2^18058007198 is an apocalyptic number.

18058007198 is a deficient number, since it is larger than the sum of its proper divisors (15727703650).

18058007198 is a wasteful number, since it uses less digits than its factorization.

18058007198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51728.

The product of its (nonzero) digits is 161280, while the sum is 47.

The spelling of 18058007198 in words is "eighteen billion, fifty-eight million, seven thousand, one hundred ninety-eight".