2660030645 has 8 divisors (see below), whose sum is σ = 3195920256. Its totient is φ = 2125435536.

The previous prime is 2660030641. The next prime is 2660030651. The reversal of 2660030645 is 5460300662.

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

It is a cyclic number.

It is not a de Polignac number, because 2660030645 - 2² = 2660030641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660030641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 319097 + ... + 327326.

It is an arithmetic number, because the mean of its divisors is an integer number (399490032).

Almost surely, 2^2660030645 is an apocalyptic number.

It is an amenable number.

2660030645 is a deficient number, since it is larger than the sum of its proper divisors (535889611).

2660030645 is an equidigital number, since it uses as much as digits as its factorization.

2660030645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647251.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2660030645 is about 51575.4849225870. The cubic root of 2660030645 is about 1385.5713031013.

The spelling of 2660030645 in words is "two billion, six hundred sixty million, thirty thousand, six hundred forty-five".