6657359427 has 6 divisors (see below), whose sum is σ = 9616185852. Its totient is φ = 4438239612.

The previous prime is 6657359413. The next prime is 6657359437. The reversal of 6657359427 is 7249537566.

6657359427 is a `hidden beast` number, since 66 + 573 + 5 + 9 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 6657359427 - 2⁶ = 6657359363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6657359437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369853293 + ... + 369853310.

It is an arithmetic number, because the mean of its divisors is an integer number (1602697642).

Almost surely, 2^6657359427 is an apocalyptic number.

6657359427 is a deficient number, since it is larger than the sum of its proper divisors (2958826425).

6657359427 is a wasteful number, since it uses less digits than its factorization.

6657359427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739706609 (or 739706606 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The square root of 6657359427 is about 81592.6432161626. The cubic root of 6657359427 is about 1881.1958050752.

The spelling of 6657359427 in words is "six billion, six hundred fifty-seven million, three hundred fifty-nine thousand, four hundred twenty-seven".