2160310645 has 4 divisors (see below), whose sum is σ = 2592372780. Its totient is φ = 1728248512.

The previous prime is 2160310639. The next prime is 2160310699. The reversal of 2160310645 is 5460130612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1239673681 + 920636964 = 35209^2 + 30342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160310645 - 2¹¹ = 2160308597 is a prime.

It is a congruent number.

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, 216031060 + ... + 216031069.

It is an arithmetic number, because the mean of its divisors is an integer number (648093195).

Almost surely, 2^2160310645 is an apocalyptic number.

It is an amenable number.

2160310645 is a deficient number, since it is larger than the sum of its proper divisors (432062135).

2160310645 is an equidigital number, since it uses as much as digits as its factorization.

2160310645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432062134.

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

The square root of 2160310645 is about 46479.1420424259. The cubic root of 2160310645 is about 1292.7227799713.

The spelling of 2160310645 in words is "two billion, one hundred sixty million, three hundred ten thousand, six hundred forty-five".