181050081 has 8 divisors (see below), whose sum is σ = 247014240. Its totient is φ = 117892992.

The previous prime is 181050061. The next prime is 181050083. The reversal of 181050081 is 180050181.

181050081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 181050081 - 2⁹ = 181049569 is a prime.

It is a super-2 number, since 2×181050081² = 65558263660213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (181050083) 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, 701616 + ... + 701873.

It is an arithmetic number, because the mean of its divisors is an integer number (30876780).

Almost surely, 2^181050081 is an apocalyptic number.

It is an amenable number.

181050081 is a deficient number, since it is larger than the sum of its proper divisors (65964159).

181050081 is a wasteful number, since it uses less digits than its factorization.

181050081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403535.

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 181050081 is about 13455.4851640511. The cubic root of 181050081 is about 565.7174491949.

The spelling of 181050081 in words is "one hundred eighty-one million, fifty thousand, eighty-one".