16266117019 has 2 divisors, whose sum is σ = 16266117020. Its totient is φ = 16266117018.

The previous prime is 16266116989. The next prime is 16266117047. The reversal of 16266117019 is 91071166261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16266117019 - 2⁷ = 16266116891 is a prime.

It is a super-2 number, since 2×16266117019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16266117419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8133058509 + 8133058510.

It is an arithmetic number, because the mean of its divisors is an integer number (8133058510).

Almost surely, 2^16266117019 is an apocalyptic number.

16266117019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16266117019 is an equidigital number, since it uses as much as digits as its factorization.

16266117019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 16266117019 in words is "sixteen billion, two hundred sixty-six million, one hundred seventeen thousand, nineteen".