266237430020427 has 16 divisors (see below), whose sum is σ = 357037935213600. Its totient is φ = 176464288334592.

The previous prime is 266237430020399. The next prime is 266237430020431. The reversal of 266237430020427 is 724020034732662.

It is a happy number.

266237430020427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266237430020427 - 2⁸ = 266237430020171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266237430020477) 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, 67320949 + ... + 71165897.

It is an arithmetic number, because the mean of its divisors is an integer number (22314870950850).

Almost surely, 2^{266237430020427} is an apocalyptic number.

266237430020427 is a deficient number, since it is larger than the sum of its proper divisors (90800505193173).

266237430020427 is a wasteful number, since it uses less digits than its factorization.

266237430020427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978542.

The product of its (nonzero) digits is 4064256, while the sum is 48.

The spelling of 266237430020427 in words is "two hundred sixty-six trillion, two hundred thirty-seven billion, four hundred thirty million, twenty thousand, four hundred twenty-seven".