261424162 has 16 divisors (see below), whose sum is σ = 405331200. Its totient is φ = 126386640.

The previous prime is 261424157. The next prime is 261424171.

261424162 is nontrivially palindromic in base 10.

261424162 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 261424162.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10962 + ... + 25357.

It is an arithmetic number, because the mean of its divisors is an integer number (25333200).

Almost surely, 2^261424162 is an apocalyptic number.

261424162 is a deficient number, since it is larger than the sum of its proper divisors (143907038).

261424162 is a wasteful number, since it uses less digits than its factorization.

261424162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36441.

The product of its digits is 4608, while the sum is 28.

The square root of 261424162 is about 16168.6165765659. The cubic root of 261424162 is about 639.4136573160.

The spelling of 261424162 in words is "two hundred sixty-one million, four hundred twenty-four thousand, one hundred sixty-two".