6656356 has 18 divisors (see below), whose sum is σ = 13550838. Its totient is φ = 2852640.

The previous prime is 6656347. The next prime is 6656371. The reversal of 6656356 is 6536566.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 2592100 = 2016^2 + 1610^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16785 + ... + 17176.

Almost surely, 2^6656356 is an apocalyptic number.

It is an amenable number.

6656356 is an abundant number, since it is smaller than the sum of its proper divisors (6894482).

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

6656356 is a wasteful number, since it uses less digits than its factorization.

6656356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33979 (or 33970 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The square root of 6656356 is about 2579.9914728541. The cubic root of 6656356 is about 188.1101286243.

It can be divided in two parts, 665 and 6356, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6656356 in words is "six million, six hundred fifty-six thousand, three hundred fifty-six".