16725672317 has 8 divisors (see below), whose sum is σ = 17619571200. Its totient is φ = 15833133504.

The previous prime is 16725672269. The next prime is 16725672347. The reversal of 16725672317 is 71327652761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16725672317 - 2⁶ = 16725672253 is a prime.

It is a super-2 number, since 2×16725672317² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725672347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314717 + ... + 364002.

It is an arithmetic number, because the mean of its divisors is an integer number (2202446400).

Almost surely, 2^16725672317 is an apocalyptic number.

It is an amenable number.

16725672317 is a deficient number, since it is larger than the sum of its proper divisors (893898883).

16725672317 is a wasteful number, since it uses less digits than its factorization.

16725672317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680035.

The product of its digits is 740880, while the sum is 47.

The spelling of 16725672317 in words is "sixteen billion, seven hundred twenty-five million, six hundred seventy-two thousand, three hundred seventeen".