6657469841 has 16 divisors (see below), whose sum is σ = 7795268928. Its totient is φ = 5618188800.

The previous prime is 6657469837. The next prime is 6657469849. The reversal of 6657469841 is 1489647566.

It is a cyclic number.

It is not a de Polignac number, because 6657469841 - 2² = 6657469837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6657469849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230195 + ... + 257496.

It is an arithmetic number, because the mean of its divisors is an integer number (487204308).

Almost surely, 2^6657469841 is an apocalyptic number.

It is an amenable number.

6657469841 is a deficient number, since it is larger than the sum of its proper divisors (1137799087).

6657469841 is a wasteful number, since it uses less digits than its factorization.

6657469841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487792.

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

The square root of 6657469841 is about 81593.3198307312. The cubic root of 6657469841 is about 1881.2062050547.

The spelling of 6657469841 in words is "six billion, six hundred fifty-seven million, four hundred sixty-nine thousand, eight hundred forty-one".