18096661636 has 48 divisors (see below), whose sum is σ = 33803602560. Its totient is φ = 8447362560.

The previous prime is 18096661633. The next prime is 18096661637. The reversal of 18096661636 is 63616669081.

It is not an unprimeable number, because it can be changed into a prime (18096661633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5450785 + ... + 5454103.

It is an arithmetic number, because the mean of its divisors is an integer number (704241720).

Almost surely, 2^18096661636 is an apocalyptic number.

It is an amenable number.

18096661636 is a deficient number, since it is larger than the sum of its proper divisors (15706940924).

18096661636 is a wasteful number, since it uses less digits than its factorization.

18096661636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 18096661636 in words is "eighteen billion, ninety-six million, six hundred sixty-one thousand, six hundred thirty-six".