16228499879 has 2 divisors, whose sum is σ = 16228499880. Its totient is φ = 16228499878.

The previous prime is 16228499851. The next prime is 16228499893. The reversal of 16228499879 is 97899482261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16228499879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16228499899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8114249939 + 8114249940.

It is an arithmetic number, because the mean of its divisors is an integer number (8114249940).

Almost surely, 2^16228499879 is an apocalyptic number.

16228499879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16228499879 is an equidigital number, since it uses as much as digits as its factorization.

16228499879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 65.

The spelling of 16228499879 in words is "sixteen billion, two hundred twenty-eight million, four hundred ninety-nine thousand, eight hundred seventy-nine".