18083987524 has 48 divisors (see below), whose sum is σ = 34288047360. Its totient is φ = 8312855040.

The previous prime is 18083987513. The next prime is 18083987531. The reversal of 18083987524 is 42578938081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723807 + ... + 1734265.

It is an arithmetic number, because the mean of its divisors is an integer number (714334320).

Almost surely, 2^18083987524 is an apocalyptic number.

It is an amenable number.

18083987524 is a deficient number, since it is larger than the sum of its proper divisors (16204059836).

18083987524 is a wasteful number, since it uses less digits than its factorization.

18083987524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068 (or 11066 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 18083987524 in words is "eighteen billion, eighty-three million, nine hundred eighty-seven thousand, five hundred twenty-four".