2600660002 has 16 divisors (see below), whose sum is σ = 4076879040. Its totient is φ = 1241874832.

The previous prime is 2600659987. The next prime is 2600660003. The reversal of 2600660002 is 2000660062.

It is not an unprimeable number, because it can be changed into a prime (2600660003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13252 + ... + 73327.

It is an arithmetic number, because the mean of its divisors is an integer number (254804940).

Almost surely, 2^2600660002 is an apocalyptic number.

2600660002 is a deficient number, since it is larger than the sum of its proper divisors (1476219038).

2600660002 is a wasteful number, since it uses less digits than its factorization.

2600660002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87257.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2600660002 is about 50996.6665773362. Note that the first 3 decimals coincide. The cubic root of 2600660002 is about 1375.1852095639.

The spelling of 2600660002 in words is "two billion, six hundred million, six hundred sixty thousand, two".