266090825481 has 16 divisors (see below), whose sum is σ = 382456366656. Its totient is φ = 163586529216.

The previous prime is 266090825479. The next prime is 266090825537. The reversal of 266090825481 is 184528090662.

It is a happy number.

It is not a de Polignac number, because 266090825481 - 2¹ = 266090825479 is a prime.

It is a super-2 number, since 2×266090825481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266090825401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3328135 + ... + 3407148.

It is an arithmetic number, because the mean of its divisors is an integer number (23903522916).

Almost surely, 2^266090825481 is an apocalyptic number.

It is an amenable number.

266090825481 is a deficient number, since it is larger than the sum of its proper divisors (116365541175).

266090825481 is a wasteful number, since it uses less digits than its factorization.

266090825481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736312.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 266090825481 in words is "two hundred sixty-six billion, ninety million, eight hundred twenty-five thousand, four hundred eighty-one".