18102087936 has 81 divisors (see below), whose sum is σ = 52211409159. Its totient is φ = 6031876608.

The previous prime is 18102087907. The next prime is 18102087959. The reversal of 18102087936 is 63978020181.

The square root of 18102087936 is 134544.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 18102087891 and 18102087900.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 6456711 + ... + 6459513.

Almost surely, 2^18102087936 is an apocalyptic number.

18102087936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18102087936 is the 134544-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18102087936

18102087936 is an abundant number, since it is smaller than the sum of its proper divisors (34109321223).

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

18102087936 is an frugal number, since it uses more digits than its factorization.

18102087936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 18102087936 in words is "eighteen billion, one hundred two million, eighty-seven thousand, nine hundred thirty-six".