261323343323162 has 8 divisors (see below), whose sum is σ = 391987451624736. Its totient is φ = 130660859448252.

The previous prime is 261323343323149. The next prime is 261323343323191.

261323343323162 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405704408 + ... + 406348019.

It is an arithmetic number, because the mean of its divisors is an integer number (48998431453092).

Almost surely, 2^{261323343323162} is an apocalyptic number.

261323343323162 is a deficient number, since it is larger than the sum of its proper divisors (130664108301574).

261323343323162 is a wasteful number, since it uses less digits than its factorization.

261323343323162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812213332.

The product of its digits is 1679616, while the sum is 44.

The spelling of 261323343323162 in words is "two hundred sixty-one trillion, three hundred twenty-three billion, three hundred forty-three million, three hundred twenty-three thousand, one hundred sixty-two".