16436161 has 16 divisors (see below), whose sum is σ = 20234880. Its totient is φ = 13029120.

The previous prime is 16436149. The next prime is 16436171. The reversal of 16436161 is 16163461.

It is a cyclic number.

It is not a de Polignac number, because 16436161 - 2⁵ = 16436129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16436111) 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, 5851 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (1264680).

Almost surely, 2^16436161 is an apocalyptic number.

16436161 is the 2341-st octagonal number.

It is an amenable number.

16436161 is a deficient number, since it is larger than the sum of its proper divisors (3798719).

16436161 is a wasteful number, since it uses less digits than its factorization.

16436161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its digits is 2592, while the sum is 28.

The square root of 16436161 is about 4054.1535491395. The cubic root of 16436161 is about 254.2534154244.

The spelling of 16436161 in words is "sixteen million, four hundred thirty-six thousand, one hundred sixty-one".