16026161 has 4 divisors (see below), whose sum is σ = 16173300. Its totient is φ = 15879024.

The previous prime is 16026151. The next prime is 16026167. The reversal of 16026161 is 16162061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16162061 = 827 ⋅19543.

It can be written as a sum of positive squares in 2 ways, for example, as 12673600 + 3352561 = 3560^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 16026161 - 2⁶ = 16026097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16026167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73406 + ... + 73623.

It is an arithmetic number, because the mean of its divisors is an integer number (4043325).

Almost surely, 2^16026161 is an apocalyptic number.

It is an amenable number.

16026161 is a deficient number, since it is larger than the sum of its proper divisors (147139).

16026161 is a wasteful number, since it uses less digits than its factorization.

16026161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147138.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16026161 is about 4003.2687893770. The cubic root of 16026161 is about 252.1214718397.

The spelling of 16026161 in words is "sixteen million, twenty-six thousand, one hundred sixty-one".