2081837326968 has 128 divisors (see below), whose sum is σ = 6617695680000. Its totient is φ = 594028719360.

The previous prime is 2081837326967. The next prime is 2081837326997. The reversal of 2081837326968 is 8696237381802.

2081837326968 is a `hidden beast` number, since 208 + 18 + 3 + 7 + 326 + 96 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081837326963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245983 + ... + 2055281.

It is an arithmetic number, because the mean of its divisors is an integer number (51700747500).

Almost surely, 2^{2081837326968} is an apocalyptic number.

2081837326968 is a gapful number since it is divisible by the number (28) 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 2081837326968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3308847840000).

2081837326968 is an abundant number, since it is smaller than the sum of its proper divisors (4535858353032).

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

2081837326968 is a wasteful number, since it uses less digits than its factorization.

2081837326968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810082 (or 1810072 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 2081837326968 in words is "two trillion, eighty-one billion, eight hundred thirty-seven million, three hundred twenty-six thousand, nine hundred sixty-eight".