19796731182 has 64 divisors (see below), whose sum is σ = 45193075200. Its totient is φ = 6419770560.

The previous prime is 19796731181. The next prime is 19796731219. The reversal of 19796731182 is 28113769791.

It is a happy number.

19796731182 is a `hidden beast` number, since 197 + 9 + 67 + 311 + 82 = 666.

19796731182 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×19796731182² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19796731181) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 782373 + ... + 807279.

It is an arithmetic number, because the mean of its divisors is an integer number (706141800).

Almost surely, 2^19796731182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19796731182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22596537600).

19796731182 is an abundant number, since it is smaller than the sum of its proper divisors (25396344018).

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

19796731182 is a wasteful number, since it uses less digits than its factorization.

19796731182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25318 (or 25312 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The spelling of 19796731182 in words is "nineteen billion, seven hundred ninety-six million, seven hundred thirty-one thousand, one hundred eighty-two".