16744123717 has 16 divisors (see below), whose sum is σ = 17542546560. Its totient is φ = 15951716352.

The previous prime is 16744123663. The next prime is 16744123723. The reversal of 16744123717 is 71732144761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16744123717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16744123727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7834273 + ... + 7836409.

It is an arithmetic number, because the mean of its divisors is an integer number (1096409160).

Almost surely, 2^16744123717 is an apocalyptic number.

It is an amenable number.

16744123717 is a deficient number, since it is larger than the sum of its proper divisors (798422843).

16744123717 is a wasteful number, since it uses less digits than its factorization.

16744123717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372.

The product of its digits is 197568, while the sum is 43.

The spelling of 16744123717 in words is "sixteen billion, seven hundred forty-four million, one hundred twenty-three thousand, seven hundred seventeen".