16690334519 has 2 divisors, whose sum is σ = 16690334520. Its totient is φ = 16690334518.

The previous prime is 16690334509. The next prime is 16690334527. The reversal of 16690334519 is 91543309661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16690334519 is a prime.

It is a super-2 number, since 2×16690334519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16690334509) 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, 8345167259 + 8345167260.

It is an arithmetic number, because the mean of its divisors is an integer number (8345167260).

Almost surely, 2^16690334519 is an apocalyptic number.

16690334519 is a deficient number, since it is larger than the sum of its proper divisors (1).

16690334519 is an equidigital number, since it uses as much as digits as its factorization.

16690334519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 16690334519 in words is "sixteen billion, six hundred ninety million, three hundred thirty-four thousand, five hundred nineteen".