2555216158 has 32 divisors (see below), whose sum is σ = 4330078560. Its totient is φ = 1120210560.

The previous prime is 2555216149. The next prime is 2555216179. The reversal of 2555216158 is 8516125552.

It is a super-2 number, since 2×2555216158² = 13058259228208561928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2555216158.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874516 + ... + 877432.

It is an arithmetic number, because the mean of its divisors is an integer number (135314955).

Almost surely, 2^2555216158 is an apocalyptic number.

2555216158 is a deficient number, since it is larger than the sum of its proper divisors (1774862402).

2555216158 is a wasteful number, since it uses less digits than its factorization.

2555216158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its digits is 120000, while the sum is 40.

The square root of 2555216158 is about 50549.1459670685. The cubic root of 2555216158 is about 1367.1281161437.

The spelling of 2555216158 in words is "two billion, five hundred fifty-five million, two hundred sixteen thousand, one hundred fifty-eight".