16725650317 has 4 divisors (see below), whose sum is σ = 17265187456. Its totient is φ = 16186113180.

The previous prime is 16725650309. The next prime is 16725650321. The reversal of 16725650317 is 71305652761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16725650317 - 2³ = 16725650309 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 (16725650387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269768523 + ... + 269768584.

It is an arithmetic number, because the mean of its divisors is an integer number (4316296864).

Almost surely, 2^16725650317 is an apocalyptic number.

It is an amenable number.

16725650317 is a deficient number, since it is larger than the sum of its proper divisors (539537139).

16725650317 is an equidigital number, since it uses as much as digits as its factorization.

16725650317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539537138.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 16725650317 in words is "sixteen billion, seven hundred twenty-five million, six hundred fifty thousand, three hundred seventeen".