16000819 has 2 divisors, whose sum is σ = 16000820. Its totient is φ = 16000818.

The previous prime is 16000813. The next prime is 16000841. The reversal of 16000819 is 91800061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16000819 - 2⁹ = 16000307 is a prime.

It is a super-2 number, since 2×16000819² = 512052417341522, which contains 22 as substring.

16000819 is a modest number, since divided by 819 gives 16 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 16000793 and 16000802.

It is not a weakly prime, because it can be changed into another prime (16000813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000409 + 8000410.

It is an arithmetic number, because the mean of its divisors is an integer number (8000410).

Almost surely, 2^16000819 is an apocalyptic number.

16000819 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000819 is an equidigital number, since it uses as much as digits as its factorization.

16000819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 16000819 is about 4000.1023736900. The cubic root of 16000819 is about 251.9885093862.

The spelling of 16000819 in words is "sixteen million, eight hundred nineteen", and thus it is an aban number.