266041366536406 has 16 divisors (see below), whose sum is σ = 405617905355040. Its totient is φ = 130835547060480.

The previous prime is 266041366536377. The next prime is 266041366536427. The reversal of 266041366536406 is 604635663140662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33656251 + ... + 40802278.

It is an arithmetic number, because the mean of its divisors is an integer number (25351119084690).

Almost surely, 2^{266041366536406} is an apocalyptic number.

266041366536406 is a deficient number, since it is larger than the sum of its proper divisors (139576538818634).

266041366536406 is a wasteful number, since it uses less digits than its factorization.

266041366536406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74487879.

The product of its (nonzero) digits is 67184640, while the sum is 58.

The spelling of 266041366536406 in words is "two hundred sixty-six trillion, forty-one billion, three hundred sixty-six million, five hundred thirty-six thousand, four hundred six".