5260166145 has 48 divisors (see below), whose sum is σ = 9909179280. Its totient is φ = 2565831168.

The previous prime is 5260166143. The next prime is 5260166173. The reversal of 5260166145 is 5416610625.

5260166145 is a `hidden beast` number, since 5 + 2 + 601 + 6 + 6 + 1 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1127347776 + 4132818369 = 33576^2 + 64287^2 .

It is not a de Polignac number, because 5260166145 - 2¹ = 5260166143 is a prime.

It is a super-2 number, since 2×5260166145² = 55338695746008322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5260166141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22519 + ... + 105011.

It is an arithmetic number, because the mean of its divisors is an integer number (206441235).

Almost surely, 2^5260166145 is an apocalyptic number.

It is an amenable number.

5260166145 is a deficient number, since it is larger than the sum of its proper divisors (4649013135).

5260166145 is a wasteful number, since it uses less digits than its factorization.

5260166145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82626 (or 82623 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5260166145 is about 72527.0028678974. The cubic root of 5260166145 is about 1739.1344337428.

It can be divided in two parts, 5260 and 166145, that added together give a triangular number (171405 = T₅₈₅).

The spelling of 5260166145 in words is "five billion, two hundred sixty million, one hundred sixty-six thousand, one hundred forty-five".