16671155 has 16 divisors (see below), whose sum is σ = 20487168. Its totient is φ = 13020000.

The previous prime is 16671121. The next prime is 16671157. The reversal of 16671155 is 55117661.

It is not a de Polignac number, because 16671155 - 2¹² = 16667059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16671157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53450 + ... + 53760.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 2^16671155 is an apocalyptic number.

16671155 is a deficient number, since it is larger than the sum of its proper divisors (3816013).

16671155 is a wasteful number, since it uses less digits than its factorization.

16671155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its digits is 6300, while the sum is 32.

The square root of 16671155 is about 4083.0325739577. The cubic root of 16671155 is about 255.4594050876.

The spelling of 16671155 in words is "sixteen million, six hundred seventy-one thousand, one hundred fifty-five".