2660113387 has 2 divisors, whose sum is σ = 2660113388. Its totient is φ = 2660113386.

The previous prime is 2660113381. The next prime is 2660113427. The reversal of 2660113387 is 7833110662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660113387 is a prime.

It is a super-2 number, since 2×2660113387² = 14152406463393223538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2660113381) 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, 1330056693 + 1330056694.

It is an arithmetic number, because the mean of its divisors is an integer number (1330056694).

Almost surely, 2^2660113387 is an apocalyptic number.

2660113387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660113387 is an equidigital number, since it uses as much as digits as its factorization.

2660113387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2660113387 is about 51576.2870610128. The cubic root of 2660113387 is about 1385.5856693208.

The spelling of 2660113387 in words is "two billion, six hundred sixty million, one hundred thirteen thousand, three hundred eighty-seven".