16199019 has 12 divisors (see below), whose sum is σ = 24153792. Its totient is φ = 10450800.

The previous prime is 16198999. The next prime is 16199033. The reversal of 16199019 is 91099161.

It is not a de Polignac number, because 16199019 - 2⁷ = 16198891 is a prime.

It is a super-2 number, since 2×16199019² = 524816433124722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16199219) 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, 28752 + ... + 29309.

It is an arithmetic number, because the mean of its divisors is an integer number (2012816).

Almost surely, 2^16199019 is an apocalyptic number.

16199019 is a deficient number, since it is larger than the sum of its proper divisors (7954773).

16199019 is a wasteful number, since it uses less digits than its factorization.

16199019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58098 (or 58095 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 16199019 is about 4024.8004919499. The cubic root of 16199019 is about 253.0246920341.

The spelling of 16199019 in words is "sixteen million, one hundred ninety-nine thousand, nineteen".