8081354209368 has 128 divisors (see below), whose sum is σ = 23213141280000. Its totient is φ = 2318697861120.

The previous prime is 8081354209363. The next prime is 8081354209373. The reversal of 8081354209368 is 8639024531808.

It is an interprime number because it is at equal distance from previous prime (8081354209363) and next prime (8081354209373).

It is a super-3 number, since 3×8081354209368³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081354209363) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8460108 + ... + 9366756.

It is an arithmetic number, because the mean of its divisors is an integer number (181352666250).

Almost surely, 2^{8081354209368} is an apocalyptic number.

8081354209368 is a gapful number since it is divisible by the number (88) 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 8081354209368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11606570640000).

8081354209368 is an abundant number, since it is smaller than the sum of its proper divisors (15131787070632).

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

8081354209368 is a wasteful number, since it uses less digits than its factorization.

8081354209368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908465 (or 908461 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 8081354209368 in words is "eight trillion, eighty-one billion, three hundred fifty-four million, two hundred nine thousand, three hundred sixty-eight".