16725456 has 60 divisors (see below), whose sum is σ = 51068160. Its totient is φ = 5067840.

The previous prime is 16725437. The next prime is 16725463. The reversal of 16725456 is 65452761.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16725456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3696 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (851136).

Almost surely, 2^16725456 is an apocalyptic number.

16725456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16725456 is an abundant number, since it is smaller than the sum of its proper divisors (34342704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16725456 is a wasteful number, since it uses less digits than its factorization.

16725456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584 (or 10575 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 16725456 is about 4089.6767598430. The cubic root of 16725456 is about 255.7364638249.

The spelling of 16725456 in words is "sixteen million, seven hundred twenty-five thousand, four hundred fifty-six".