6669018 has 24 divisors (see below), whose sum is σ = 14758848. Its totient is φ = 2175432.

The previous prime is 6669017. The next prime is 6669029. The reversal of 6669018 is 8109666.

It is not an unprimeable number, because it can be changed into a prime (6669017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3096 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (614952).

Almost surely, 2^6669018 is an apocalyptic number.

6669018 is an abundant number, since it is smaller than the sum of its proper divisors (8089830).

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

6669018 is a wasteful number, since it uses less digits than its factorization.

6669018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938 (or 7935 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6669018 is about 2582.4441910717. Note that the first 3 decimals coincide. The cubic root of 6669018 is about 188.2293300692.

The spelling of 6669018 in words is "six million, six hundred sixty-nine thousand, eighteen".