18341081 has 8 divisors (see below), whose sum is σ = 20100864. Its totient is φ = 16596720.

The previous prime is 18341077. The next prime is 18341117. The reversal of 18341081 is 18014381.

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 18341081 - 2² = 18341077 is a prime.

It is a super-2 number, since 2×18341081² = 672790504497122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18341081.

It is not an unprimeable number, because it can be changed into a prime (18341581) 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, 1286 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (2512608).

Almost surely, 2^18341081 is an apocalyptic number.

18341081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18341081 is a deficient number, since it is larger than the sum of its proper divisors (1759783).

18341081 is a wasteful number, since it uses less digits than its factorization.

18341081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 18341081 is about 4282.6488298715. The cubic root of 18341081 is about 263.7191352216.

The spelling of 18341081 in words is "eighteen million, three hundred forty-one thousand, eighty-one".