16439116725117 has 96 divisors (see below), whose sum is σ = 26426032455680. Its totient is φ = 9804882971520.

The previous prime is 16439116725089. The next prime is 16439116725169. The reversal of 16439116725117 is 71152761193461.

It is a happy number.

16439116725117 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 9 + 116 + 7 + 2 + 511 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-16439116725117 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 (16439116725197) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 249108708 + ... + 249174690.

Almost surely, 2^{16439116725117} is an apocalyptic number.

It is an amenable number.

16439116725117 is a deficient number, since it is larger than the sum of its proper divisors (9986915730563).

16439116725117 is a wasteful number, since it uses less digits than its factorization.

16439116725117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67175 (or 67172 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 16439116725117 in words is "sixteen trillion, four hundred thirty-nine billion, one hundred sixteen million, seven hundred twenty-five thousand, one hundred seventeen".