181452068117 has 8 divisors (see below), whose sum is σ = 182410428672. Its totient is φ = 180495831600.

The previous prime is 181452068111. The next prime is 181452068129. The reversal of 181452068117 is 711860254181.

It is a happy number.

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 181452068117 - 2⁸ = 181452067861 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 (181452068111) 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, 359558 + ... + 701559.

It is an arithmetic number, because the mean of its divisors is an integer number (22801303584).

Almost surely, 2^181452068117 is an apocalyptic number.

It is an amenable number.

181452068117 is a deficient number, since it is larger than the sum of its proper divisors (958360555).

181452068117 is a wasteful number, since it uses less digits than its factorization.

181452068117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062019.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 181452068117 in words is "one hundred eighty-one billion, four hundred fifty-two million, sixty-eight thousand, one hundred seventeen".