16277551116019 has 2 divisors, whose sum is σ = 16277551116020. Its totient is φ = 16277551116018.

The previous prime is 16277551116011. The next prime is 16277551116037. The reversal of 16277551116019 is 91061115577261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16277551116019 - 2³ = 16277551116011 is a prime.

It is a super-2 number, since 2×16277551116019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16277551116011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8138775558009 + 8138775558010.

It is an arithmetic number, because the mean of its divisors is an integer number (8138775558010).

Almost surely, 2^{16277551116019} is an apocalyptic number.

16277551116019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16277551116019 is an equidigital number, since it uses as much as digits as its factorization.

16277551116019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 52.

The spelling of 16277551116019 in words is "sixteen trillion, two hundred seventy-seven billion, five hundred fifty-one million, one hundred sixteen thousand, nineteen".