16040199 has 24 divisors (see below), whose sum is σ = 26192640. Its totient is φ = 8681904.

The previous prime is 16040191. The next prime is 16040209. The reversal of 16040199 is 99104061.

It is not a de Polignac number, because 16040199 - 2³ = 16040191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16040191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79 + ... + 5664.

It is an arithmetic number, because the mean of its divisors is an integer number (1091360).

Almost surely, 2^16040199 is an apocalyptic number.

16040199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16040199 is a deficient number, since it is larger than the sum of its proper divisors (10152441).

16040199 is a wasteful number, since it uses less digits than its factorization.

16040199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779 (or 5772 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 16040199 is about 4005.0217227875. The cubic root of 16040199 is about 252.1950650169.

The spelling of 16040199 in words is "sixteen million, forty thousand, one hundred ninety-nine".