6656725058 has 32 divisors (see below), whose sum is σ = 10278305136. Its totient is φ = 3232073728.

The previous prime is 6656725051. The next prime is 6656725087. The reversal of 6656725058 is 8505276566.

It can be written as a sum of positive squares in 8 ways, for example, as 3003368809 + 3653356249 = 54803^2 + 60443^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6656724997 and 6656725015.

It is not an unprimeable number, because it can be changed into a prime (6656725051) 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, 8611160 + ... + 8611932.

Almost surely, 2^6656725058 is an apocalyptic number.

6656725058 is a deficient number, since it is larger than the sum of its proper divisors (3621580078).

6656725058 is a wasteful number, since it uses less digits than its factorization.

6656725058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The square root of 6656725058 is about 81588.7557081244. The cubic root of 6656725058 is about 1881.1360511431.

The spelling of 6656725058 in words is "six billion, six hundred fifty-six million, seven hundred twenty-five thousand, fifty-eight".