2660075653 has 2 divisors, whose sum is σ = 2660075654. Its totient is φ = 2660075652.

The previous prime is 2660075647. The next prime is 2660075713. The reversal of 2660075653 is 3565700662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2379781089 + 280294564 = 48783^2 + 16742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660075653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660070653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330037826 + 1330037827.

It is an arithmetic number, because the mean of its divisors is an integer number (1330037827).

Almost surely, 2^2660075653 is an apocalyptic number.

It is an amenable number.

2660075653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660075653 is an equidigital number, since it uses as much as digits as its factorization.

2660075653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 2660075653 is about 51575.9212520727. The cubic root of 2660075653 is about 1385.5791177283.

The spelling of 2660075653 in words is "two billion, six hundred sixty million, seventy-five thousand, six hundred fifty-three".