16216255 has 16 divisors (see below), whose sum is σ = 21915648. Its totient is φ = 11412000.

The previous prime is 16216247. The next prime is 16216261. The reversal of 16216255 is 55261261.

It is not a de Polignac number, because 16216255 - 2³ = 16216247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3051 + ... + 6460.

It is an arithmetic number, because the mean of its divisors is an integer number (1369728).

Almost surely, 2^16216255 is an apocalyptic number.

16216255 is a deficient number, since it is larger than the sum of its proper divisors (5699393).

16216255 is a wasteful number, since it uses less digits than its factorization.

16216255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558.

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

The square root of 16216255 is about 4026.9411468260. The cubic root of 16216255 is about 253.1144009178.

It can be divided in two parts, 16216 and 255, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 16216255 in words is "sixteen million, two hundred sixteen thousand, two hundred fifty-five".