6656316052 has 24 divisors (see below), whose sum is σ = 12066765480. Its totient is φ = 3210493440.

The previous prime is 6656315993. The next prime is 6656316059. The reversal of 6656316052 is 2506136566.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1210761616 + 5445554436 = 34796^2 + 73794^2 .

It is a super-2 number, since 2×6656316052² = 88613086768225733408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6656315996 and 6656316014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656316059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213423 + ... + 242614.

It is an arithmetic number, because the mean of its divisors is an integer number (502781895).

Almost surely, 2^6656316052 is an apocalyptic number.

It is an amenable number.

6656316052 is a deficient number, since it is larger than the sum of its proper divisors (5410449428).

6656316052 is a wasteful number, since it uses less digits than its factorization.

6656316052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456171 (or 456169 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 6656316052 is about 81586.2491600147. The cubic root of 6656316052 is about 1881.0975231040.

The spelling of 6656316052 in words is "six billion, six hundred fifty-six million, three hundred sixteen thousand, fifty-two".