2660466577 has 2 divisors, whose sum is σ = 2660466578. Its totient is φ = 2660466576.

The previous prime is 2660466547. The next prime is 2660466637. The reversal of 2660466577 is 7756640662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2640315456 + 20151121 = 51384^2 + 4489^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660466577 - 2⁷ = 2660466449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2660466577.

It is not a weakly prime, because it can be changed into another prime (2660466547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330233288 + 1330233289.

It is an arithmetic number, because the mean of its divisors is an integer number (1330233289).

Almost surely, 2^2660466577 is an apocalyptic number.

It is an amenable number.

2660466577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660466577 is an equidigital number, since it uses as much as digits as its factorization.

2660466577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The square root of 2660466577 is about 51579.7109045795. The cubic root of 2660466577 is about 1385.6469891813.

The spelling of 2660466577 in words is "two billion, six hundred sixty million, four hundred sixty-six thousand, five hundred seventy-seven".