16793040861 has 24 divisors (see below), whose sum is σ = 25774295040. Its totient is φ = 10499550336.

The previous prime is 16793040857. The next prime is 16793040863. The reversal of 16793040861 is 16804039761.

It is a happy number.

It is not a de Polignac number, because 16793040861 - 2² = 16793040857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16793040863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150621 + ... + 237218.

It is an arithmetic number, because the mean of its divisors is an integer number (1073928960).

Almost surely, 2^16793040861 is an apocalyptic number.

It is an amenable number.

16793040861 is a deficient number, since it is larger than the sum of its proper divisors (8981254179).

16793040861 is a wasteful number, since it uses less digits than its factorization.

16793040861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388145 (or 388142 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 16793040861 in words is "sixteen billion, seven hundred ninety-three million, forty thousand, eight hundred sixty-one".