16100019 has 16 divisors (see below), whose sum is σ = 25687200. Its totient is φ = 9907488.

The previous prime is 16099987. The next prime is 16100027. The reversal of 16100019 is 91000161.

It is not a de Polignac number, because 16100019 - 2⁵ = 16099987 is a prime.

It is a super-2 number, since 2×16100019² = 518421223600722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16099974 and 16100010.

It is not an unprimeable number, because it can be changed into a prime (16100039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22584 + ... + 23285.

It is an arithmetic number, because the mean of its divisors is an integer number (1605450).

Almost surely, 2^16100019 is an apocalyptic number.

16100019 is a deficient number, since it is larger than the sum of its proper divisors (9587181).

16100019 is a wasteful number, since it uses less digits than its factorization.

16100019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45891 (or 45885 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 16100019 is about 4012.4828971598. The cubic root of 16100019 is about 252.5081865136.

The spelling of 16100019 in words is "sixteen million, one hundred thousand, nineteen".