6534660 has 48 divisors (see below), whose sum is σ = 19962432. Its totient is φ = 1584000.

The previous prime is 6534631. The next prime is 6534679. The reversal of 6534660 is 664356.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4291 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (415884).

Almost surely, 2^6534660 is an apocalyptic number.

6534660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6534660 is an abundant number, since it is smaller than the sum of its proper divisors (13427772).

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

6534660 is a wasteful number, since it uses less digits than its factorization.

6534660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9924 (or 9922 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6534660 is about 2556.2981046818. The cubic root of 6534660 is about 186.9566849451.

The spelling of 6534660 in words is "six million, five hundred thirty-four thousand, six hundred sixty".