18195840096 has 96 divisors (see below), whose sum is σ = 55857086208. Its totient is φ = 5077900800.

The previous prime is 18195840083. The next prime is 18195840097. The reversal of 18195840096 is 69004859181.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18195840097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285955 + ... + 343746.

It is an arithmetic number, because the mean of its divisors is an integer number (581844648).

Almost surely, 2^18195840096 is an apocalyptic number.

18195840096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18195840096 is an abundant number, since it is smaller than the sum of its proper divisors (37661246112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18195840096 is a wasteful number, since it uses less digits than its factorization.

18195840096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629764 (or 629756 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 18195840096 in words is "eighteen billion, one hundred ninety-five million, eight hundred forty thousand, ninety-six".