16641055 has 16 divisors (see below), whose sum is σ = 21473280. Its totient is φ = 12340512.

The previous prime is 16641047. The next prime is 16641059. The reversal of 16641055 is 55014661.

It is a cyclic number.

It is not a de Polignac number, because 16641055 - 2³ = 16641047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16641059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2602 + ... + 6328.

It is an arithmetic number, because the mean of its divisors is an integer number (1342080).

Almost surely, 2^16641055 is an apocalyptic number.

16641055 is a deficient number, since it is larger than the sum of its proper divisors (4832225).

16641055 is a wasteful number, since it uses less digits than its factorization.

16641055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 16641055 is about 4079.3449229012. The cubic root of 16641055 is about 255.3055673067.

The spelling of 16641055 in words is "sixteen million, six hundred forty-one thousand, fifty-five".