266006442621233 has 16 divisors (see below), whose sum is σ = 297440661603456. Its totient is φ = 236588603792640.

The previous prime is 266006442621223. The next prime is 266006442621287. The reversal of 266006442621233 is 332126244600662.

It is a cyclic number.

It is not a de Polignac number, because 266006442621233 - 2⁴ = 266006442621217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266006442621203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4098301178 + ... + 4098366083.

It is an arithmetic number, because the mean of its divisors is an integer number (18590041350216).

Almost surely, 2^{266006442621233} is an apocalyptic number.

266006442621233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

266006442621233 is a deficient number, since it is larger than the sum of its proper divisors (31434218982223).

266006442621233 is a wasteful number, since it uses less digits than its factorization.

266006442621233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196667384.

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 266006442621233 in words is "two hundred sixty-six trillion, six billion, four hundred forty-two million, six hundred twenty-one thousand, two hundred thirty-three".