6654660 has 48 divisors (see below), whose sum is σ = 18760896. Its totient is φ = 1762432.

The previous prime is 6654653. The next prime is 6654679. The reversal of 6654660 is 664566.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11539 + ... + 12101.

It is an arithmetic number, because the mean of its divisors is an integer number (390852).

Almost surely, 2^6654660 is an apocalyptic number.

6654660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6654660 is an abundant number, since it is smaller than the sum of its proper divisors (12106236).

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

6654660 is a wasteful number, since it uses less digits than its factorization.

6654660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 6654660 is about 2579.6627686579. The cubic root of 6654660 is about 188.0941508192.

The spelling of 6654660 in words is "six million, six hundred fifty-four thousand, six hundred sixty".