2005665002 has 8 divisors (see below), whose sum is σ = 3281997312. Its totient is φ = 911665900.

The previous prime is 2005664993. The next prime is 2005665017.

It is a happy number.

2005665002 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45583274 + ... + 45583317.

It is an arithmetic number, because the mean of its divisors is an integer number (410249664).

Almost surely, 2^2005665002 is an apocalyptic number.

2005665002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2005665002 is a deficient number, since it is larger than the sum of its proper divisors (1276332310).

2005665002 is a wasteful number, since it uses less digits than its factorization.

2005665002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91166604.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2005665002 is about 44784.6514109466. The cubic root of 2005665002 is about 1261.1095043786.

It can be divided in two parts, 20056 and 65002, that added together give a palindrome (85058).

The spelling of 2005665002 in words is "two billion, five million, six hundred sixty-five thousand, two".