16155 has 12 divisors (see below), whose sum is σ = 28080. Its totient is φ = 8592.

The previous prime is 16141. The next prime is 16183. The reversal of 16155 is 55161.

It is not a de Polignac number, because 16155 - 2⁴ = 16139 is a prime.

It is an Ulam number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135 + ... + 224.

It is an arithmetic number, because the mean of its divisors is an integer number (2340).

2¹⁶¹⁵⁵ is an apocalyptic number.

16155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16155 is a deficient number, since it is larger than the sum of its proper divisors (11925).

16155 is a wasteful number, since it uses less digits than its factorization.

16155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 367 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 16155 is about 127.1023209859. The cubic root of 16155 is about 25.2795295471.

It can be divided in two parts, 161 and 55, that added together give a cube (216 = 6³).

The spelling of 16155 in words is "sixteen thousand, one hundred fifty-five".