261344443162 has 8 divisors (see below), whose sum is σ = 427654543392. Its totient is φ = 118792928700.

The previous prime is 261344443159. The next prime is 261344443181.

261344443162 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939646414 + ... + 5939646457.

It is an arithmetic number, because the mean of its divisors is an integer number (53456817924).

Almost surely, 2^261344443162 is an apocalyptic number.

261344443162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

261344443162 is a deficient number, since it is larger than the sum of its proper divisors (166310100230).

261344443162 is a wasteful number, since it uses less digits than its factorization.

261344443162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879292884.

The product of its digits is 331776, while the sum is 40.

The spelling of 261344443162 in words is "two hundred sixty-one billion, three hundred forty-four million, four hundred forty-three thousand, one hundred sixty-two".