6656369740 has 48 divisors (see below), whose sum is σ = 14593924800. Its totient is φ = 2545424640.

The previous prime is 6656369683. The next prime is 6656369749. The reversal of 6656369740 is 479636566.

It is not an unprimeable number, because it can be changed into a prime (6656369749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460986 + ... + 1465534.

It is an arithmetic number, because the mean of its divisors is an integer number (304040100).

Almost surely, 2^6656369740 is an apocalyptic number.

It is an amenable number.

6656369740 is an abundant number, since it is smaller than the sum of its proper divisors (7937555060).

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

6656369740 is a wasteful number, since it uses less digits than its factorization.

6656369740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762 (or 7760 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The square root of 6656369740 is about 81586.5781853854. The cubic root of 6656369740 is about 1881.1025805608.

The spelling of 6656369740 in words is "six billion, six hundred fifty-six million, three hundred sixty-nine thousand, seven hundred forty".