16045161 has 32 divisors (see below), whose sum is σ = 25411968. Its totient is φ = 8893440.

The previous prime is 16045157. The next prime is 16045199. The reversal of 16045161 is 16154061.

It is not a de Polignac number, because 16045161 - 2² = 16045157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16045111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20371 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (794124).

Almost surely, 2^16045161 is an apocalyptic number.

16045161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16045161 is a deficient number, since it is larger than the sum of its proper divisors (9366807).

16045161 is a wasteful number, since it uses less digits than its factorization.

16045161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 16045161 is about 4005.6411471823. The cubic root of 16045161 is about 252.2210676639.

Subtracting 16045161 from its reverse (16154061), we obtain a square (108900 = 330²).

The spelling of 16045161 in words is "sixteen million, forty-five thousand, one hundred sixty-one".