266163002725 has 24 divisors (see below), whose sum is σ = 332998115328. Its totient is φ = 211026916800.

The previous prime is 266163002719. The next prime is 266163002737. The reversal of 266163002725 is 527200361662.

It is not a de Polignac number, because 266163002725 - 2⁷ = 266163002597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2943132 + ... + 3032218.

It is an arithmetic number, because the mean of its divisors is an integer number (13874921472).

Almost surely, 2^266163002725 is an apocalyptic number.

266163002725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266163002725 is a deficient number, since it is larger than the sum of its proper divisors (66835112603).

266163002725 is a wasteful number, since it uses less digits than its factorization.

266163002725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90165 (or 90160 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 266163002725 in words is "two hundred sixty-six billion, one hundred sixty-three million, two thousand, seven hundred twenty-five".