16199142 has 16 divisors (see below), whose sum is σ = 32581440. Its totient is φ = 5369192.

The previous prime is 16199137. The next prime is 16199171. The reversal of 16199142 is 24199161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6468 + ... + 8615.

It is an arithmetic number, because the mean of its divisors is an integer number (2036340).

Almost surely, 2^16199142 is an apocalyptic number.

16199142 is an abundant number, since it is smaller than the sum of its proper divisors (16382298).

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

16199142 is a wasteful number, since it uses less digits than its factorization.

16199142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15267.

The product of its digits is 3888, while the sum is 33.

The square root of 16199142 is about 4024.8157721814. The cubic root of 16199142 is about 253.0253324424.

The spelling of 16199142 in words is "sixteen million, one hundred ninety-nine thousand, one hundred forty-two".