16044155 has 16 divisors (see below), whose sum is σ = 19975680. Its totient is φ = 12362592.

The previous prime is 16044137. The next prime is 16044157. The reversal of 16044155 is 55144061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16044155 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16044157) 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, 15236 + ... + 16254.

It is an arithmetic number, because the mean of its divisors is an integer number (1248480).

Almost surely, 2^16044155 is an apocalyptic number.

16044155 is a deficient number, since it is larger than the sum of its proper divisors (3931525).

16044155 is a wasteful number, since it uses less digits than its factorization.

16044155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 16044155 is about 4005.5155723078. The cubic root of 16044155 is about 252.2157962990.

The spelling of 16044155 in words is "sixteen million, forty-four thousand, one hundred fifty-five".