6656948741 has 4 divisors (see below), whose sum is σ = 6660760992. Its totient is φ = 6653136492.

The previous prime is 6656948693. The next prime is 6656948777. The reversal of 6656948741 is 1478496566.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6656948741 - 2⁶ = 6656948677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656948141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903505 + ... + 1906998.

It is an arithmetic number, because the mean of its divisors is an integer number (1665190248).

Almost surely, 2^6656948741 is an apocalyptic number.

It is an amenable number.

6656948741 is a deficient number, since it is larger than the sum of its proper divisors (3812251).

6656948741 is a wasteful number, since it uses less digits than its factorization.

6656948741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812250.

The product of its digits is 8709120, while the sum is 56.

The square root of 6656948741 is about 81590.1264921191. The cubic root of 6656948741 is about 1881.1571212359.

The spelling of 6656948741 in words is "six billion, six hundred fifty-six million, nine hundred forty-eight thousand, seven hundred forty-one".