6656760 has 144 divisors (see below), whose sum is σ = 24190920. Its totient is φ = 1574400.

The previous prime is 6656759. The next prime is 6656779. The reversal of 6656760 is 676566.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 162340 + ... + 162380.

Almost surely, 2^6656760 is an apocalyptic number.

6656760 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 6656760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12095460).

6656760 is an abundant number, since it is smaller than the sum of its proper divisors (17534160).

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

6656760 is a wasteful number, since it uses less digits than its factorization.

6656760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 6656760 is about 2580.0697664986. The cubic root of 6656760 is about 188.1139342579.

The spelling of 6656760 in words is "six million, six hundred fifty-six thousand, seven hundred sixty".