181073087 has 8 divisors (see below), whose sum is σ = 195169296. Its totient is φ = 167000832.

The previous prime is 181073063. The next prime is 181073099. The reversal of 181073087 is 780370181.

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 181073087 - 2⁶ = 181073023 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 (181073027) 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, 11663 + ... + 22319.

It is an arithmetic number, because the mean of its divisors is an integer number (24396162).

Almost surely, 2^181073087 is an apocalyptic number.

181073087 is a deficient number, since it is larger than the sum of its proper divisors (14096209).

181073087 is a wasteful number, since it uses less digits than its factorization.

181073087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11977.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 181073087 is about 13456.3400298893. The cubic root of 181073087 is about 565.7414100502.

The spelling of 181073087 in words is "one hundred eighty-one million, seventy-three thousand, eighty-seven".