16397198 has 8 divisors (see below), whose sum is σ = 24621408. Its totient is φ = 8190064.

The previous prime is 16397191. The next prime is 16397207. The reversal of 16397198 is 89179361.

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 (16397191) 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, 1511 + ... + 5922.

It is an arithmetic number, because the mean of its divisors is an integer number (3077676).

Almost surely, 2^16397198 is an apocalyptic number.

16397198 is a deficient number, since it is larger than the sum of its proper divisors (8224210).

16397198 is a wasteful number, since it uses less digits than its factorization.

16397198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538.

The product of its digits is 81648, while the sum is 44.

The square root of 16397198 is about 4049.3453791940. The cubic root of 16397198 is about 254.0523483152.

The spelling of 16397198 in words is "sixteen million, three hundred ninety-seven thousand, one hundred ninety-eight".