68540330187 has 24 divisors (see below), whose sum is σ = 113207927040. Its totient is φ = 39144446640.

The previous prime is 68540330179. The next prime is 68540330237. The reversal of 68540330187 is 78103304586.

68540330187 is a `hidden beast` number, since 68 + 5 + 403 + 3 + 0 + 187 = 666.

It is not a de Polignac number, because 68540330187 - 2³ = 68540330179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68540332187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181737 + ... + 412442.

It is an arithmetic number, because the mean of its divisors is an integer number (4716996960).

Almost surely, 2^68540330187 is an apocalyptic number.

68540330187 is a deficient number, since it is larger than the sum of its proper divisors (44667596853).

68540330187 is a wasteful number, since it uses less digits than its factorization.

68540330187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596023 (or 596020 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 68540330187 in words is "sixty-eight billion, five hundred forty million, three hundred thirty thousand, one hundred eighty-seven".