2663256558 has 16 divisors (see below), whose sum is σ = 5346317520. Its totient is φ = 884451456.

The previous prime is 2663256553. The next prime is 2663256571. The reversal of 2663256558 is 8556523662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663256553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823435 + ... + 826662.

It is an arithmetic number, because the mean of its divisors is an integer number (334144845).

Almost surely, 2^2663256558 is an apocalyptic number.

2663256558 is an abundant number, since it is smaller than the sum of its proper divisors (2683060962).

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

2663256558 is a wasteful number, since it uses less digits than its factorization.

2663256558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650371.

The product of its digits is 2592000, while the sum is 48.

The square root of 2663256558 is about 51606.7491516371. The cubic root of 2663256558 is about 1386.1311872310.

The spelling of 2663256558 in words is "two billion, six hundred sixty-three million, two hundred fifty-six thousand, five hundred fifty-eight".