6674427656 has 32 divisors (see below), whose sum is σ = 13480772760. Its totient is φ = 3079690752.

The previous prime is 6674427619. The next prime is 6674427677. The reversal of 6674427656 is 6567244766.

It can be written as a sum of positive squares in 4 ways, for example, as 2375002756 + 4299424900 = 48734^2 + 65570^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6674427598 and 6674427607.

It is an unprimeable number.

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, 586436 + ... + 597708.

Almost surely, 2^6674427656 is an apocalyptic number.

It is an amenable number.

6674427656 is an abundant number, since it is smaller than the sum of its proper divisors (6806345104).

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

6674427656 is a wasteful number, since it uses less digits than its factorization.

6674427656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16985 (or 16981 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 53.

The square root of 6674427656 is about 81697.1704283569. The cubic root of 6674427656 is about 1882.8021115965.

The spelling of 6674427656 in words is "six billion, six hundred seventy-four million, four hundred twenty-seven thousand, six hundred fifty-six".