16056819 has 8 divisors (see below), whose sum is σ = 23787920. Its totient is φ = 10704528.

The previous prime is 16056809. The next prime is 16056841. The reversal of 16056819 is 91865061.

It is not a de Polignac number, because 16056819 - 2⁵ = 16056787 is a prime.

It is a super-2 number, since 2×16056819² = 515642872797522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16056809) 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 in 7 ways as a sum of consecutive naturals, for example, 297322 + ... + 297375.

It is an arithmetic number, because the mean of its divisors is an integer number (2973490).

Almost surely, 2^16056819 is an apocalyptic number.

16056819 is a deficient number, since it is larger than the sum of its proper divisors (7731101).

16056819 is an equidigital number, since it uses as much as digits as its factorization.

16056819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594706 (or 594700 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 16056819 is about 4007.0960807048. The cubic root of 16056819 is about 252.2821386488.

The spelling of 16056819 in words is "sixteen million, fifty-six thousand, eight hundred nineteen".