18496535660 has 24 divisors (see below), whose sum is σ = 38845287936. Its totient is φ = 7398126080.

The previous prime is 18496535647. The next prime is 18496535683. The reversal of 18496535660 is 6653569481.

It is a happy 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, 544124 + ... + 577116.

It is an arithmetic number, because the mean of its divisors is an integer number (1618553664).

Almost surely, 2^18496535660 is an apocalyptic number.

18496535660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18496535660 is an abundant number, since it is smaller than the sum of its proper divisors (20348752276).

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

18496535660 is a wasteful number, since it uses less digits than its factorization.

18496535660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61033 (or 61031 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 18496535660 in words is "eighteen billion, four hundred ninety-six million, five hundred thirty-five thousand, six hundred sixty".