2555535166 has 32 divisors (see below), whose sum is σ = 4270244832. Its totient is φ = 1141539840.

The previous prime is 2555535139. The next prime is 2555535173. The reversal of 2555535166 is 6615355552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26805 + ... + 76351.

It is an arithmetic number, because the mean of its divisors is an integer number (133445151).

Almost surely, 2^2555535166 is an apocalyptic number.

2555535166 is a deficient number, since it is larger than the sum of its proper divisors (1714709666).

2555535166 is a wasteful number, since it uses less digits than its factorization.

2555535166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49644.

The product of its digits is 675000, while the sum is 43.

The square root of 2555535166 is about 50552.3012928195. The cubic root of 2555535166 is about 1367.1850071763.

The spelling of 2555535166 in words is "two billion, five hundred fifty-five million, five hundred thirty-five thousand, one hundred sixty-six".