16761768319 has 12 divisors (see below), whose sum is σ = 17519050120. Its totient is φ = 16035213600.

The previous prime is 16761768299. The next prime is 16761768347. The reversal of 16761768319 is 91386716761.

It is not a de Polignac number, because 16761768319 - 2¹⁷ = 16761637247 is a prime.

It is a super-2 number, since 2×16761768319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16761768319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16761768389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244 + ... + 183094.

Almost surely, 2^16761768319 is an apocalyptic number.

16761768319 is a deficient number, since it is larger than the sum of its proper divisors (757281801).

16761768319 is a wasteful number, since it uses less digits than its factorization.

16761768319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183018 (or 182989 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 55.

The spelling of 16761768319 in words is "sixteen billion, seven hundred sixty-one million, seven hundred sixty-eight thousand, three hundred nineteen".