6666480 has 120 divisors (see below), whose sum is σ = 22980672. Its totient is φ = 1731072.

The previous prime is 6666479. The next prime is 6666487. The reversal of 6666480 is 846666.

6666480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33742 + ... + 33938.

Almost surely, 2^6666480 is an apocalyptic number.

6666480 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 6666480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11490336).

6666480 is an abundant number, since it is smaller than the sum of its proper divisors (16314192).

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

6666480 is a wasteful number, since it uses less digits than its factorization.

6666480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6666480 is about 2581.9527493740. The cubic root of 6666480 is about 188.2054491592.

The spelling of 6666480 in words is "six million, six hundred sixty-six thousand, four hundred eighty".