80642106810 has 48 divisors (see below), whose sum is σ = 209797942536. Its totient is φ = 21491385984.

The previous prime is 80642106751. The next prime is 80642106841. The reversal of 80642106810 is 1860124608.

80642106810 is a `hidden beast` number, since 8 + 0 + 642 + 1 + 0 + 6 + 8 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59972581449 + 20669525361 = 244893^2 + 143769^2 .

It is a super-2 number, since 2×80642106810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 126349 + ... + 421008.

Almost surely, 2^80642106810 is an apocalyptic number.

80642106810 is an abundant number, since it is smaller than the sum of its proper divisors (129155835726).

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

80642106810 is a wasteful number, since it uses less digits than its factorization.

80642106810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549007 (or 549004 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 80642106810 in words is "eighty billion, six hundred forty-two million, one hundred six thousand, eight hundred ten".