16641485 has 16 divisors (see below), whose sum is σ = 22970496. Its totient is φ = 11337408.

The previous prime is 16641461. The next prime is 16641491. The reversal of 16641485 is 58414661.

It is a cyclic number.

It is not a de Polignac number, because 16641485 - 2⁶ = 16641421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

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, 4247 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (1435656).

Almost surely, 2^16641485 is an apocalyptic number.

It is an amenable number.

16641485 is a deficient number, since it is larger than the sum of its proper divisors (6329011).

16641485 is a wasteful number, since it uses less digits than its factorization.

16641485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its digits is 23040, while the sum is 35.

The square root of 16641485 is about 4079.3976271013. The cubic root of 16641485 is about 255.3077662949.

The spelling of 16641485 in words is "sixteen million, six hundred forty-one thousand, four hundred eighty-five".