16725701625 has 16 divisors (see below), whose sum is σ = 27831568128. Its totient is φ = 8920374000.

The previous prime is 16725701621. The next prime is 16725701627. The reversal of 16725701625 is 52610752761.

It is a happy number.

It is not a de Polignac number, because 16725701625 - 2² = 16725701621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16725701621) 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, 22300561 + ... + 22301310.

It is an arithmetic number, because the mean of its divisors is an integer number (1739473008).

Almost surely, 2^16725701625 is an apocalyptic number.

16725701625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16725701625 is a deficient number, since it is larger than the sum of its proper divisors (11105866503).

16725701625 is an equidigital number, since it uses as much as digits as its factorization.

16725701625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44601889 (or 44601879 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 16725701625 in words is "sixteen billion, seven hundred twenty-five million, seven hundred one thousand, six hundred twenty-five".