2005260166 has 32 divisors (see below), whose sum is σ = 3713951808. Its totient is φ = 790732800.

The previous prime is 2005260149. The next prime is 2005260193. The reversal of 2005260166 is 6610625002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39366 + ... + 74566.

It is an arithmetic number, because the mean of its divisors is an integer number (116060994).

Almost surely, 2^2005260166 is an apocalyptic number.

2005260166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2005260166 is a deficient number, since it is larger than the sum of its proper divisors (1708691642).

2005260166 is a wasteful number, since it uses less digits than its factorization.

2005260166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35536.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2005260166 is about 44780.1313754214. The cubic root of 2005260166 is about 1261.0246485858.

Adding to 2005260166 its reverse (6610625002), we get a palindrome (8615885168).

The spelling of 2005260166 in words is "two billion, five million, two hundred sixty thousand, one hundred sixty-six".