2601566141 has 2 divisors, whose sum is σ = 2601566142. Its totient is φ = 2601566140.

The previous prime is 2601566113. The next prime is 2601566147. The reversal of 2601566141 is 1416651062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2115540025 + 486026116 = 45995^2 + 22046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2601566141 - 2¹⁸ = 2601303997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2601566098 and 2601566107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2601566147) 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, 1300783070 + 1300783071.

It is an arithmetic number, because the mean of its divisors is an integer number (1300783071).

Almost surely, 2^2601566141 is an apocalyptic number.

It is an amenable number.

2601566141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601566141 is an equidigital number, since it uses as much as digits as its factorization.

2601566141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2601566141 is about 51005.5500999646. The cubic root of 2601566141 is about 1375.3449080317.

The spelling of 2601566141 in words is "two billion, six hundred one million, five hundred sixty-six thousand, one hundred forty-one".