6656022148 has 12 divisors (see below), whose sum is σ = 11648613340. Its totient is φ = 3327846912.

The previous prime is 6656022133. The next prime is 6656022151. The reversal of 6656022148 is 8412206566.

It can be written as a sum of positive squares in 2 ways, for example, as 5126273604 + 1529748544 = 71598^2 + 39112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6656022148.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123340 + ... + 168892.

Almost surely, 2^6656022148 is an apocalyptic number.

It is an amenable number.

6656022148 is a deficient number, since it is larger than the sum of its proper divisors (4992591192).

6656022148 is a wasteful number, since it uses less digits than its factorization.

6656022148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82086 (or 82084 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 6656022148 is about 81584.4479542517. The cubic root of 6656022148 is about 1881.0698366070.

The spelling of 6656022148 in words is "six billion, six hundred fifty-six million, twenty-two thousand, one hundred forty-eight".