6681020118 has 16 divisors (see below), whose sum is σ = 13793074176. Its totient is φ = 2155167720.

The previous prime is 6681020083. The next prime is 6681020147. The reversal of 6681020118 is 8110201866.

It is a congruent number.

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, 17959546 + ... + 17959917.

It is an arithmetic number, because the mean of its divisors is an integer number (862067136).

Almost surely, 2^6681020118 is an apocalyptic number.

6681020118 is an abundant number, since it is smaller than the sum of its proper divisors (7112054058).

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

6681020118 is a wasteful number, since it uses less digits than its factorization.

6681020118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35919499.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 6681020118 is about 81737.5074124481. The cubic root of 6681020118 is about 1883.4218010356.

The spelling of 6681020118 in words is "six billion, six hundred eighty-one million, twenty thousand, one hundred eighteen".