18096509861 has 8 divisors (see below), whose sum is σ = 18133959648. Its totient is φ = 18059094000.

The previous prime is 18096509803. The next prime is 18096509867. The reversal of 18096509861 is 16890569081.

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 18096509861 - 2¹⁴ = 18096493477 is a prime.

It is a super-3 number, since 3×18096509861³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18096509867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244171 + ... + 1258631.

It is an arithmetic number, because the mean of its divisors is an integer number (2266744956).

Almost surely, 2^18096509861 is an apocalyptic number.

It is an amenable number.

18096509861 is a deficient number, since it is larger than the sum of its proper divisors (37449787).

18096509861 is a wasteful number, since it uses less digits than its factorization.

18096509861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963.

The product of its (nonzero) digits is 933120, while the sum is 53.

The spelling of 18096509861 in words is "eighteen billion, ninety-six million, five hundred nine thousand, eight hundred sixty-one".