16198018 has 8 divisors (see below), whose sum is σ = 24314112. Its totient is φ = 8093316.

The previous prime is 16197989. The next prime is 16198069. The reversal of 16198018 is 81089161.

16198018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4071 + ... + 6997.

It is an arithmetic number, because the mean of its divisors is an integer number (3039264).

Almost surely, 2^16198018 is an apocalyptic number.

16198018 is a deficient number, since it is larger than the sum of its proper divisors (8116094).

16198018 is a wasteful number, since it uses less digits than its factorization.

16198018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 16198018 is about 4024.6761360388. The cubic root of 16198018 is about 253.0194801355.

The spelling of 16198018 in words is "sixteen million, one hundred ninety-eight thousand, eighteen".