16199161 has 8 divisors (see below), whose sum is σ = 18048384. Its totient is φ = 14412720.

The previous prime is 16199137. The next prime is 16199171.

16199161 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 16199161 - 2⁷ = 16199033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16199101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15150 + ... + 16183.

It is an arithmetic number, because the mean of its divisors is an integer number (2256048).

Almost surely, 2^16199161 is an apocalyptic number.

16199161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16199161 is a deficient number, since it is larger than the sum of its proper divisors (1849223).

16199161 is a wasteful number, since it uses less digits than its factorization.

16199161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31391.

The product of its digits is 2916, while the sum is 34.

The square root of 16199161 is about 4024.8181325372. The cubic root of 16199161 is about 253.0254313669.

The spelling of 16199161 in words is "sixteen million, one hundred ninety-nine thousand, one hundred sixty-one".