6667018980 has 96 divisors (see below), whose sum is σ = 18806860800. Its totient is φ = 1764668928.

The previous prime is 6667018931. The next prime is 6667018987. The reversal of 6667018980 is 898107666.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6667018987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6580954 + ... + 6581966.

It is an arithmetic number, because the mean of its divisors is an integer number (195904800).

Almost surely, 2^6667018980 is an apocalyptic number.

6667018980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6667018980 is an abundant number, since it is smaller than the sum of its proper divisors (12139841820).

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

6667018980 is a wasteful number, since it uses less digits than its factorization.

6667018980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 6667018980 is about 81651.8155340100. The cubic root of 6667018980 is about 1882.1052111321.

The spelling of 6667018980 in words is "six billion, six hundred sixty-seven million, eighteen thousand, nine hundred eighty".