8126432621168 has 20 divisors (see below), whose sum is σ = 16671137510160. Its totient is φ = 3824203586304.

The previous prime is 8126432621161. The next prime is 8126432621179. The reversal of 8126432621168 is 8611262346218.

It is a super-2 number, since 2×8126432621168² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8126432621161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14938294988 + ... + 14938295531.

It is an arithmetic number, because the mean of its divisors is an integer number (833556875508).

Almost surely, 2^{8126432621168} is an apocalyptic number.

It is an amenable number.

8126432621168 is an abundant number, since it is smaller than the sum of its proper divisors (8544704888992).

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

8126432621168 is a wasteful number, since it uses less digits than its factorization.

8126432621168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29876590544 (or 29876590538 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The spelling of 8126432621168 in words is "eight trillion, one hundred twenty-six billion, four hundred thirty-two million, six hundred twenty-one thousand, one hundred sixty-eight".