181068857341 has 4 divisors (see below), whose sum is σ = 181081170432. Its totient is φ = 181056544252.

The previous prime is 181068857323. The next prime is 181068857351. The reversal of 181068857341 is 143758860181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 181068857341 - 2¹¹ = 181068855293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181068857351) by changing a digit.

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, 6134461 + ... + 6163906.

It is an arithmetic number, because the mean of its divisors is an integer number (45270292608).

Almost surely, 2^181068857341 is an apocalyptic number.

It is an amenable number.

181068857341 is a deficient number, since it is larger than the sum of its proper divisors (12313091).

181068857341 is a wasteful number, since it uses less digits than its factorization.

181068857341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313090.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 181068857341 in words is "one hundred eighty-one billion, sixty-eight million, eight hundred fifty-seven thousand, three hundred forty-one".