801981183 has 4 divisors (see below), whose sum is σ = 1069308248. Its totient is φ = 534654120.

The previous prime is 801981161. The next prime is 801981247. The reversal of 801981183 is 381189108.

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

It is not a de Polignac number, because 801981183 - 2⁵ = 801981151 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 (801981133) 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, 133663528 + ... + 133663533.

It is an arithmetic number, because the mean of its divisors is an integer number (267327062).

Almost surely, 2^801981183 is an apocalyptic number.

801981183 is a deficient number, since it is larger than the sum of its proper divisors (267327065).

801981183 is a wasteful number, since it uses less digits than its factorization.

801981183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267327064.

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 801981183 is about 28319.2722893792. The cubic root of 801981183 is about 929.0834547408.

The spelling of 801981183 in words is "eight hundred one million, nine hundred eighty-one thousand, one hundred eighty-three".