8180091 has 12 divisors (see below), whose sum is σ = 11934000. Its totient is φ = 5398800.

The previous prime is 8180083. The next prime is 8180093. The reversal of 8180091 is 1900818.

8180091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8180091 - 2³ = 8180083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8180093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3591 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (994500).

Almost surely, 2^8180091 is an apocalyptic number.

8180091 is a deficient number, since it is larger than the sum of its proper divisors (3753909).

8180091 is a wasteful number, since it uses less digits than its factorization.

8180091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106 (or 9103 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 8180091 is about 2860.0858378727. The cubic root of 8180091 is about 201.4896357145.

The spelling of 8180091 in words is "eight million, one hundred eighty thousand, ninety-one".