181368689141 has 8 divisors (see below), whose sum is σ = 187696754400. Its totient is φ = 175045555440.

The previous prime is 181368689119. The next prime is 181368689147. The reversal of 181368689141 is 141986863181.

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

It is a cyclic number.

It is not a de Polignac number, because 181368689141 - 2¹⁰ = 181368688117 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 (181368689147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157975 + ... + 1305236.

It is an arithmetic number, because the mean of its divisors is an integer number (23462094300).

Almost surely, 2^181368689141 is an apocalyptic number.

It is an amenable number.

181368689141 is a deficient number, since it is larger than the sum of its proper divisors (6328065259).

181368689141 is a wasteful number, since it uses less digits than its factorization.

181368689141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465779.

The product of its digits is 1990656, while the sum is 56.

The spelling of 181368689141 in words is "one hundred eighty-one billion, three hundred sixty-eight million, six hundred eighty-nine thousand, one hundred forty-one".