808140134668 has 24 divisors (see below), whose sum is σ = 1415412904752. Its totient is φ = 403736566464.

The previous prime is 808140134653. The next prime is 808140134687. The reversal of 808140134668 is 866431041808.

808140134668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×808140134668² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35453571 + ... + 35476357.

It is an arithmetic number, because the mean of its divisors is an integer number (58975537698).

Almost surely, 2^808140134668 is an apocalyptic number.

It is an amenable number.

808140134668 is a deficient number, since it is larger than the sum of its proper divisors (607272770084).

808140134668 is a wasteful number, since it uses less digits than its factorization.

808140134668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29721 (or 29719 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 808140134668 in words is "eight hundred eight billion, one hundred forty million, one hundred thirty-four thousand, six hundred sixty-eight".