16195149 has 12 divisors (see below), whose sum is σ = 23452000. Its totient is φ = 10769544.

The previous prime is 16195139. The next prime is 16195183. The reversal of 16195149 is 94159161.

It is not a de Polignac number, because 16195149 - 2⁵ = 16195117 is a prime.

It is a super-2 number, since 2×16195149² = 524565702264402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16195129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1902 + ... + 6000.

Almost surely, 2^16195149 is an apocalyptic number.

It is an amenable number.

16195149 is a deficient number, since it is larger than the sum of its proper divisors (7256851).

16195149 is a wasteful number, since it uses less digits than its factorization.

16195149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544 (or 4541 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 16195149 is about 4024.3196940601. The cubic root of 16195149 is about 253.0045409466.

The spelling of 16195149 in words is "sixteen million, one hundred ninety-five thousand, one hundred forty-nine".