16277855819 has 2 divisors, whose sum is σ = 16277855820. Its totient is φ = 16277855818.

The previous prime is 16277855809. The next prime is 16277855879. The reversal of 16277855819 is 91855877261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16277855819 - 2³² = 11982888523 is a prime.

It is a super-2 number, since 2×16277855819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16277855809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8138927909 + 8138927910.

It is an arithmetic number, because the mean of its divisors is an integer number (8138927910).

Almost surely, 2^16277855819 is an apocalyptic number.

16277855819 is a deficient number, since it is larger than the sum of its proper divisors (1).

16277855819 is an equidigital number, since it uses as much as digits as its factorization.

16277855819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 59.

The spelling of 16277855819 in words is "sixteen billion, two hundred seventy-seven million, eight hundred fifty-five thousand, eight hundred nineteen".