18648526336 has 40 divisors (see below), whose sum is σ = 40647972024. Its totient is φ = 8476600320.

The previous prime is 18648526307. The next prime is 18648526349. The reversal of 18648526336 is 63362584681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649955 + ... + 1661218.

Almost surely, 2^18648526336 is an apocalyptic number.

18648526336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18648526336 is an abundant number, since it is smaller than the sum of its proper divisors (21999445688).

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

18648526336 is an equidigital number, since it uses as much as digits as its factorization.

18648526336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311202 (or 3311186 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The spelling of 18648526336 in words is "eighteen billion, six hundred forty-eight million, five hundred twenty-six thousand, three hundred thirty-six".