16916125 has 8 divisors (see below), whose sum is σ = 21111480. Its totient is φ = 13532800.

The previous prime is 16916101. The next prime is 16916129. The reversal of 16916125 is 52161961.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 15912121 = 1002^2 + 3989^2 .

It is not a de Polignac number, because 16916125 - 2¹¹ = 16914077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16916129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67540 + ... + 67789.

It is an arithmetic number, because the mean of its divisors is an integer number (2638935).

Almost surely, 2^16916125 is an apocalyptic number.

It is an amenable number.

16916125 is a deficient number, since it is larger than the sum of its proper divisors (4195355).

16916125 is an equidigital number, since it uses as much as digits as its factorization.

16916125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135344 (or 135334 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 16916125 is about 4112.9217109009. The cubic root of 16916125 is about 256.7045867026.

The spelling of 16916125 in words is "sixteen million, nine hundred sixteen thousand, one hundred twenty-five".