18037733848 has 32 divisors (see below), whose sum is σ = 34724844000. Its totient is φ = 8778781440.

The previous prime is 18037733801. The next prime is 18037733849. The reversal of 18037733848 is 84833773081.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18037733795 and 18037733804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18037733849) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 81358 + ... + 206626.

It is an arithmetic number, because the mean of its divisors is an integer number (1085151375).

Almost surely, 2^18037733848 is an apocalyptic number.

It is an amenable number.

18037733848 is a deficient number, since it is larger than the sum of its proper divisors (16687110152).

18037733848 is a wasteful number, since it uses less digits than its factorization.

18037733848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125755 (or 125751 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 18037733848 in words is "eighteen billion, thirty-seven million, seven hundred thirty-three thousand, eight hundred forty-eight".