266502085 has 8 divisors (see below), whose sum is σ = 319893120. Its totient is φ = 213141264.

The previous prime is 266502053. The next prime is 266502101. The reversal of 266502085 is 580205662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266502085 - 2⁵ = 266502053 is a prime.

It is a super-2 number, since 2×266502085² = 142046722618694450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266502085.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 23376 + ... + 32854.

It is an arithmetic number, because the mean of its divisors is an integer number (39986640).

Almost surely, 2^266502085 is an apocalyptic number.

It is an amenable number.

266502085 is a deficient number, since it is larger than the sum of its proper divisors (53391035).

266502085 is an equidigital number, since it uses as much as digits as its factorization.

266502085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15107.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 266502085 is about 16324.8915769753. The cubic root of 266502085 is about 643.5271442757.

The spelling of 266502085 in words is "two hundred sixty-six million, five hundred two thousand, eighty-five".