16725512 has 8 divisors (see below), whose sum is σ = 31360350. Its totient is φ = 8362752.

The previous prime is 16725509. The next prime is 16725539. The reversal of 16725512 is 21552761.

It can be written as a sum of positive squares in only one way, i.e., 14945956 + 1779556 = 3866^2 + 1334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045337 + ... + 1045352.

Almost surely, 2^16725512 is an apocalyptic number.

It is an amenable number.

16725512 is a deficient number, since it is larger than the sum of its proper divisors (14634838).

16725512 is a wasteful number, since it uses less digits than its factorization.

16725512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090695 (or 2090691 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 16725512 is about 4089.6836063441. The cubic root of 16725512 is about 255.7367492427.

The spelling of 16725512 in words is "sixteen million, seven hundred twenty-five thousand, five hundred twelve".