6612019980 has 48 divisors (see below), whose sum is σ = 18965215584. Its totient is φ = 1720199680.

The previous prime is 6612019937. The next prime is 6612019987. The reversal of 6612019980 is 899102166.

It is not an unprimeable number, because it can be changed into a prime (6612019987) 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, 1341447 + ... + 1346366.

It is an arithmetic number, because the mean of its divisors is an integer number (395108658).

Almost surely, 2^6612019980 is an apocalyptic number.

6612019980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6612019980 is an abundant number, since it is smaller than the sum of its proper divisors (12353195604).

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

6612019980 is a wasteful number, since it uses less digits than its factorization.

6612019980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687866 (or 2687864 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 6612019980 is about 81314.3282576939. The cubic root of 6612019980 is about 1876.9154924298.

The spelling of 6612019980 in words is "six billion, six hundred twelve million, nineteen thousand, nine hundred eighty".