261348843162 has 32 divisors (see below), whose sum is σ = 578246874624. Its totient is φ = 78081172400.

The previous prime is 261348843113. The next prime is 261348843199.

261348843162 is nontrivially palindromic in base 10.

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 15 ways as a sum of consecutive naturals, for example, 27881448 + ... + 27890819.

It is an arithmetic number, because the mean of its divisors is an integer number (18070214832).

Almost surely, 2^261348843162 is an apocalyptic number.

261348843162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

261348843162 is an abundant number, since it is smaller than the sum of its proper divisors (316898031462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261348843162 is a wasteful number, since it uses less digits than its factorization.

261348843162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55772354.

The product of its digits is 1327104, while the sum is 48.

The spelling of 261348843162 in words is "two hundred sixty-one billion, three hundred forty-eight million, eight hundred forty-three thousand, one hundred sixty-two".