16131198 has 32 divisors (see below), whose sum is σ = 34401024. Its totient is φ = 5025152.

The previous prime is 16131169. The next prime is 16131217. The reversal of 16131198 is 89113161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16561 + ... + 17507.

It is an arithmetic number, because the mean of its divisors is an integer number (1075032).

Almost surely, 2^16131198 is an apocalyptic number.

16131198 is an abundant number, since it is smaller than the sum of its proper divisors (18269826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16131198 is a wasteful number, since it uses less digits than its factorization.

16131198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its digits is 1296, while the sum is 30.

The square root of 16131198 is about 4016.3662681583. The cubic root of 16131198 is about 252.6710823049.

The spelling of 16131198 in words is "sixteen million, one hundred thirty-one thousand, one hundred ninety-eight".