6669960 has 128 divisors (see below), whose sum is σ = 22671360. Its totient is φ = 1555200.

The previous prime is 6669959. The next prime is 6669961. The reversal of 6669960 is 699666.

6669960 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6669959) and next prime (6669961).

It is not an unprimeable number, because it can be changed into a prime (6669961) 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, 40839 + ... + 41001.

It is an arithmetic number, because the mean of its divisors is an integer number (177120).

Almost surely, 2^6669960 is an apocalyptic number.

6669960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6669960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11335680).

6669960 is an abundant number, since it is smaller than the sum of its proper divisors (16001400).

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

6669960 is a wasteful number, since it uses less digits than its factorization.

6669960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 6669960 is about 2582.6265699865. The cubic root of 6669960 is about 188.2381921276.

It can be divided in two parts, 6 and 669960, that added together give a palindrome (669966).

The spelling of 6669960 in words is "six million, six hundred sixty-nine thousand, nine hundred sixty".