808148140681 has 16 divisors (see below), whose sum is σ = 924780159616. Its totient is φ = 691811974656.

The previous prime is 808148140651. The next prime is 808148140727. The reversal of 808148140681 is 186041841808.

It is a cyclic number.

It is not a de Polignac number, because 808148140681 - 2⁹ = 808148140169 is a prime.

It is a super-2 number, since 2×808148140681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808148140651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69560185 + ... + 69571801.

It is an arithmetic number, because the mean of its divisors is an integer number (57798759976).

Almost surely, 2^808148140681 is an apocalyptic number.

It is an amenable number.

808148140681 is a deficient number, since it is larger than the sum of its proper divisors (116632018935).

808148140681 is a wasteful number, since it uses less digits than its factorization.

808148140681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23488.

The product of its (nonzero) digits is 393216, while the sum is 49.

The spelling of 808148140681 in words is "eight hundred eight billion, one hundred forty-eight million, one hundred forty thousand, six hundred eighty-one".