16641125 has 16 divisors (see below), whose sum is σ = 21088704. Its totient is φ = 13107600.

The previous prime is 16641109. The next prime is 16641133. The reversal of 16641125 is 52114661.

It is not a de Polignac number, because 16641125 - 2⁴ = 16641109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16641094 and 16641103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7382 + ... + 9368.

It is an arithmetic number, because the mean of its divisors is an integer number (1318044).

Almost surely, 2^16641125 is an apocalyptic number.

It is an amenable number.

16641125 is a deficient number, since it is larger than the sum of its proper divisors (4447579).

16641125 is an equidigital number, since it uses as much as digits as its factorization.

16641125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2059 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 16641125 is about 4079.3535027011. The cubic root of 16641125 is about 255.3059252841.

Adding to 16641125 its reverse (52114661), we get a palindrome (68755786).

The spelling of 16641125 in words is "sixteen million, six hundred forty-one thousand, one hundred twenty-five".