16349019 has 24 divisors (see below), whose sum is σ = 23503920. Its totient is φ = 10105344.

The previous prime is 16349017. The next prime is 16349023. The reversal of 16349019 is 91094361.

It is not a de Polignac number, because 16349019 - 2¹ = 16349017 is a prime.

It is a super-2 number, since 2×16349019² = 534580844524722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16349017) 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 23 ways as a sum of consecutive naturals, for example, 94417 + ... + 94589.

It is an arithmetic number, because the mean of its divisors is an integer number (979330).

Almost surely, 2^16349019 is an apocalyptic number.

16349019 is a deficient number, since it is larger than the sum of its proper divisors (7154901).

16349019 is a wasteful number, since it uses less digits than its factorization.

16349019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 16349019 is about 4043.3920166118. The cubic root of 16349019 is about 253.8032814578.

The spelling of 16349019 in words is "sixteen million, three hundred forty-nine thousand, nineteen".