181410428159 has 4 divisors (see below), whose sum is σ = 181415075016. Its totient is φ = 181405781304.

The previous prime is 181410428099. The next prime is 181410428191. The reversal of 181410428159 is 951824014181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-181410428159 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 (181410428359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264369 + ... + 2343114.

It is an arithmetic number, because the mean of its divisors is an integer number (45353768754).

Almost surely, 2^181410428159 is an apocalyptic number.

181410428159 is a deficient number, since it is larger than the sum of its proper divisors (4646857).

181410428159 is an equidigital number, since it uses as much as digits as its factorization.

181410428159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646856.

The product of its (nonzero) digits is 92160, while the sum is 44.

The spelling of 181410428159 in words is "one hundred eighty-one billion, four hundred ten million, four hundred twenty-eight thousand, one hundred fifty-nine".