6656120 has 16 divisors (see below), whose sum is σ = 14976360. Its totient is φ = 2662432.

The previous prime is 6656101. The next prime is 6656123. The reversal of 6656120 is 216566.

It is a self number, because there is not a number n which added to its sum of digits gives 6656120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83162 + ... + 83241.

Almost surely, 2^6656120 is an apocalyptic number.

It is an amenable number.

6656120 is an abundant number, since it is smaller than the sum of its proper divisors (8320240).

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

6656120 is a wasteful number, since it uses less digits than its factorization.

6656120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166414 (or 166410 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6656120 is about 2579.9457358635. The cubic root of 6656120 is about 188.1079054602.

It can be divided in two parts, 6656 and 120, that added together give a palindrome (6776).

The spelling of 6656120 in words is "six million, six hundred fifty-six thousand, one hundred twenty".