181914361 has 8 divisors (see below), whose sum is σ = 188337600. Its totient is φ = 175501200.

The previous prime is 181914353. The next prime is 181914371. The reversal of 181914361 is 163419181.

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 181914361 - 2³ = 181914353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (181914301) 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, 70036 + ... + 72586.

It is an arithmetic number, because the mean of its divisors is an integer number (23542200).

Almost surely, 2^181914361 is an apocalyptic number.

It is an amenable number.

181914361 is a deficient number, since it is larger than the sum of its proper divisors (6423239).

181914361 is a wasteful number, since it uses less digits than its factorization.

181914361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039.

The product of its digits is 5184, while the sum is 34.

The square root of 181914361 is about 13487.5631972569. The cubic root of 181914361 is about 566.6162103095.

The spelling of 181914361 in words is "one hundred eighty-one million, nine hundred fourteen thousand, three hundred sixty-one".