261448844162 has 16 divisors (see below), whose sum is σ = 428008845312. Its totient is φ = 118789421520.

The previous prime is 261448844159. The next prime is 261448844171.

261448844162 is nontrivially palindromic in base 10.

261448844162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×261448844162² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 261448844162.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495618 + ... + 2598269.

It is an arithmetic number, because the mean of its divisors is an integer number (26750552832).

Almost surely, 2^261448844162 is an apocalyptic number.

261448844162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

261448844162 is a deficient number, since it is larger than the sum of its proper divisors (166560001150).

261448844162 is a wasteful number, since it uses less digits than its factorization.

261448844162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096233.

The product of its digits is 2359296, while the sum is 50.

The spelling of 261448844162 in words is "two hundred sixty-one billion, four hundred forty-eight million, eight hundred forty-four thousand, one hundred sixty-two".