16725605 has 32 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 11273472.

The previous prime is 16725601. The next prime is 16725607. The reversal of 16725605 is 50652761.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16725605 - 2² = 16725601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35582 + ... + 36048.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 2^16725605 is an apocalyptic number.

It is an amenable number.

16725605 is a deficient number, since it is larger than the sum of its proper divisors (6861595).

16725605 is a wasteful number, since it uses less digits than its factorization.

16725605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 16725605 is about 4089.6949764011. The cubic root of 16725605 is about 255.7372232386.

The spelling of 16725605 in words is "sixteen million, seven hundred twenty-five thousand, six hundred five".