2665586141 has 2 divisors, whose sum is σ = 2665586142. Its totient is φ = 2665586140.

The previous prime is 2665586117. The next prime is 2665586149. The reversal of 2665586141 is 1416855662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2608144900 + 57441241 = 51070^2 + 7579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2665586141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2665586092 and 2665586101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2665586149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332793070 + 1332793071.

It is an arithmetic number, because the mean of its divisors is an integer number (1332793071).

Almost surely, 2^2665586141 is an apocalyptic number.

It is an amenable number.

2665586141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665586141 is an equidigital number, since it uses as much as digits as its factorization.

2665586141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 44.

The square root of 2665586141 is about 51629.3147446293. The cubic root of 2665586141 is about 1386.5352247346.

The spelling of 2665586141 in words is "two billion, six hundred sixty-five million, five hundred eighty-six thousand, one hundred forty-one".