16228812619 has 2 divisors, whose sum is σ = 16228812620. Its totient is φ = 16228812618.

The previous prime is 16228812599. The next prime is 16228812631. The reversal of 16228812619 is 91621882261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16228812619 - 2⁹ = 16228812107 is a prime.

It is a super-2 number, since 2×16228812619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16228812319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8114406309 + 8114406310.

It is an arithmetic number, because the mean of its divisors is an integer number (8114406310).

Almost surely, 2^16228812619 is an apocalyptic number.

16228812619 is a deficient number, since it is larger than the sum of its proper divisors (1).

16228812619 is an equidigital number, since it uses as much as digits as its factorization.

16228812619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 46.

The spelling of 16228812619 in words is "sixteen billion, two hundred twenty-eight million, eight hundred twelve thousand, six hundred nineteen".