18495018486 has 24 divisors (see below), whose sum is σ = 45797188944. Its totient is φ = 5284290960.

The previous prime is 18495018449. The next prime is 18495018499. The reversal of 18495018486 is 68481059481.

It is a happy number.

18495018486 is a `hidden beast` number, since 18 + 49 + 501 + 8 + 4 + 86 = 666.

18495018486 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 73392805 + ... + 73393056.

It is an arithmetic number, because the mean of its divisors is an integer number (1908216206).

Almost surely, 2^18495018486 is an apocalyptic number.

18495018486 is an abundant number, since it is smaller than the sum of its proper divisors (27302170458).

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

18495018486 is a wasteful number, since it uses less digits than its factorization.

18495018486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146785876 (or 146785873 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 18495018486 in words is "eighteen billion, four hundred ninety-five million, eighteen thousand, four hundred eighty-six".