68200130988 has 36 divisors (see below), whose sum is σ = 188067028968. Its totient is φ = 20666706240.

The previous prime is 68200130983. The next prime is 68200131007. The reversal of 68200130988 is 88903100286.

68200130988 is a `hidden beast` number, since 68 + 200 + 1 + 309 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×68200130988² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68200130983) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 86110881 + ... + 86111672.

It is an arithmetic number, because the mean of its divisors is an integer number (5224084138).

Almost surely, 2^68200130988 is an apocalyptic number.

It is an amenable number.

68200130988 is an abundant number, since it is smaller than the sum of its proper divisors (119866897980).

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

68200130988 is a wasteful number, since it uses less digits than its factorization.

68200130988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172222574 (or 172222569 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 68200130988 in words is "sixty-eight billion, two hundred million, one hundred thirty thousand, nine hundred eighty-eight".