16401899119 has 8 divisors (see below), whose sum is σ = 16758802368. Its totient is φ = 16045326240.

The previous prime is 16401899039. The next prime is 16401899153. The reversal of 16401899119 is 91199810461.

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

It is not a de Polignac number, because 16401899119 - 2⁹ = 16401898607 is a prime.

It is a super-2 number, since 2×16401899119² (a number of 21 digits) 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 (16401899179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19129 + ... + 182125.

It is an arithmetic number, because the mean of its divisors is an integer number (2094850296).

Almost surely, 2^16401899119 is an apocalyptic number.

16401899119 is a deficient number, since it is larger than the sum of its proper divisors (356903249).

16401899119 is a wasteful number, since it uses less digits than its factorization.

16401899119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165185.

The product of its (nonzero) digits is 139968, while the sum is 49.

The spelling of 16401899119 in words is "sixteen billion, four hundred one million, eight hundred ninety-nine thousand, one hundred nineteen".