16725374997 has 8 divisors (see below), whose sum is σ = 22301216256. Its totient is φ = 11149891872.

The previous prime is 16725374969. The next prime is 16725375053. The reversal of 16725374997 is 79947352761.

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

It is not a de Polignac number, because 16725374997 - 2⁶ = 16725374933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16725374997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725374917) 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, 50913 + ... + 189849.

It is an arithmetic number, because the mean of its divisors is an integer number (2787652032).

Almost surely, 2^16725374997 is an apocalyptic number.

It is an amenable number.

16725374997 is a deficient number, since it is larger than the sum of its proper divisors (5575841259).

16725374997 is a wasteful number, since it uses less digits than its factorization.

16725374997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179067.

The product of its digits is 20003760, while the sum is 60.

The spelling of 16725374997 in words is "sixteen billion, seven hundred twenty-five million, three hundred seventy-four thousand, nine hundred ninety-seven".