18142803536 has 40 divisors (see below), whose sum is σ = 41297085984. Its totient is φ = 7612364160.

The previous prime is 18142803521. The next prime is 18142803541. The reversal of 18142803536 is 63530824181.

It is a super-2 number, since 2×18142803536² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18142803493 and 18142803502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3962486 + ... + 3967061.

Almost surely, 2^18142803536 is an apocalyptic number.

18142803536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18142803536 is an abundant number, since it is smaller than the sum of its proper divisors (23154282448).

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

18142803536 is a wasteful number, since it uses less digits than its factorization.

18142803536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929579 (or 7929573 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 18142803536 in words is "eighteen billion, one hundred forty-two million, eight hundred three thousand, five hundred thirty-six".