16655155 has 32 divisors (see below), whose sum is σ = 23639040. Its totient is φ = 11128320.

The previous prime is 16655141. The next prime is 16655159. The reversal of 16655155 is 55155661.

It is not a de Polignac number, because 16655155 - 2⁷ = 16655027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16655155.

It is not an unprimeable number, because it can be changed into a prime (16655159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43756 + ... + 44134.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^16655155 is an apocalyptic number.

16655155 is a deficient number, since it is larger than the sum of its proper divisors (6983885).

16655155 is a wasteful number, since it uses less digits than its factorization.

16655155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 22500, while the sum is 34.

The square root of 16655155 is about 4081.0727756314. The cubic root of 16655155 is about 255.3776539276.

The spelling of 16655155 in words is "sixteen million, six hundred fifty-five thousand, one hundred fifty-five".