18016086851 has 8 divisors (see below), whose sum is σ = 20978301024. Its totient is φ = 15150994560.

The previous prime is 18016086839. The next prime is 18016086853. The reversal of 18016086851 is 15868061081.

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 18016086851 - 2¹⁰ = 18016085827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18016086853) 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, 24280070 + ... + 24280811.

It is an arithmetic number, because the mean of its divisors is an integer number (2622287628).

Almost surely, 2^18016086851 is an apocalyptic number.

18016086851 is a deficient number, since it is larger than the sum of its proper divisors (2962214173).

18016086851 is an equidigital number, since it uses as much as digits as its factorization.

18016086851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48560941.

The product of its (nonzero) digits is 92160, while the sum is 44.

The spelling of 18016086851 in words is "eighteen billion, sixteen million, eighty-six thousand, eight hundred fifty-one".