16061819 has 2 divisors, whose sum is σ = 16061820. Its totient is φ = 16061818.

The previous prime is 16061803. The next prime is 16061861. The reversal of 16061819 is 91816061.

It is a weak prime.

It is an emirp because it is prime and its reverse (91816061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16061819 - 2⁴ = 16061803 is a prime.

It is a super-2 number, since 2×16061819² = 515964059177522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16061869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8030909 + 8030910.

It is an arithmetic number, because the mean of its divisors is an integer number (8030910).

Almost surely, 2^16061819 is an apocalyptic number.

16061819 is a deficient number, since it is larger than the sum of its proper divisors (1).

16061819 is an equidigital number, since it uses as much as digits as its factorization.

16061819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 16061819 is about 4007.7199253441. The cubic root of 16061819 is about 252.3083223278.

The spelling of 16061819 in words is "sixteen million, sixty-one thousand, eight hundred nineteen".