18096861 has 8 divisors (see below), whose sum is σ = 24251200. Its totient is φ = 12003552.

The previous prime is 18096853. The next prime is 18096863. The reversal of 18096861 is 16869081.

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

It is not a de Polignac number, because 18096861 - 2³ = 18096853 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 (18096863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14560 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (3031400).

Almost surely, 2^18096861 is an apocalyptic number.

It is an amenable number.

18096861 is a deficient number, since it is larger than the sum of its proper divisors (6154339).

18096861 is a wasteful number, since it uses less digits than its factorization.

18096861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30515.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 18096861 is about 4254.0405498773. The cubic root of 18096861 is about 262.5433869328.

The spelling of 18096861 in words is "eighteen million, ninety-six thousand, eight hundred sixty-one".