6556115658 has 32 divisors (see below), whose sum is σ = 13427251200. Its totient is φ = 2132945136.

The previous prime is 6556115653. The next prime is 6556115659. The reversal of 6556115658 is 8565116556.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6556115653) 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, 362433 + ... + 380091.

It is an arithmetic number, because the mean of its divisors is an integer number (419601600).

Almost surely, 2^6556115658 is an apocalyptic number.

6556115658 is an abundant number, since it is smaller than the sum of its proper divisors (6871135542).

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

6556115658 is a wasteful number, since it uses less digits than its factorization.

6556115658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19146.

The product of its digits is 1080000, while the sum is 48.

The square root of 6556115658 is about 80969.8441273046. The cubic root of 6556115658 is about 1871.6107693708.

The spelling of 6556115658 in words is "six billion, five hundred fifty-six million, one hundred fifteen thousand, six hundred fifty-eight".