18996460738332 has 144 divisors (see below), whose sum is σ = 55699367732736. Its totient is φ = 4932525628800.

The previous prime is 18996460738313. The next prime is 18996460738361. The reversal of 18996460738332 is 23383706469981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30806713 + ... + 31417295.

Almost surely, 2^{18996460738332} is an apocalyptic number.

18996460738332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18996460738332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27849683866368).

18996460738332 is an abundant number, since it is smaller than the sum of its proper divisors (36702906994404).

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

18996460738332 is a wasteful number, since it uses less digits than its factorization.

18996460738332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613680 (or 613667 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 69.

The spelling of 18996460738332 in words is "eighteen trillion, nine hundred ninety-six billion, four hundred sixty million, seven hundred thirty-eight thousand, three hundred thirty-two".