18101433056 has 48 divisors (see below), whose sum is σ = 41243811840. Its totient is φ = 7659550080.

The previous prime is 18101432989. The next prime is 18101433139. The reversal of 18101433056 is 65033410181.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493760 + ... + 529151.

It is an arithmetic number, because the mean of its divisors is an integer number (859246080).

Almost surely, 2^18101433056 is an apocalyptic number.

18101433056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18101433056 is an abundant number, since it is smaller than the sum of its proper divisors (23142378784).

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

18101433056 is a wasteful number, since it uses less digits than its factorization.

18101433056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023007 (or 1022999 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 18101433056 in words is "eighteen billion, one hundred one million, four hundred thirty-three thousand, fifty-six".