266231054651468 has 48 divisors (see below), whose sum is σ = 488099156719104. Its totient is φ = 126820684341120.

The previous prime is 266231054651467. The next prime is 266231054651509. The reversal of 266231054651468 is 864156450132662.

It is not an unprimeable number, because it can be changed into a prime (266231054651467) 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, 58480721 + ... + 62868567.

It is an arithmetic number, because the mean of its divisors is an integer number (10168732431648).

Almost surely, 2^{266231054651468} is an apocalyptic number.

It is an amenable number.

266231054651468 is a deficient number, since it is larger than the sum of its proper divisors (221868102067636).

266231054651468 is a wasteful number, since it uses less digits than its factorization.

266231054651468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390502 (or 4390500 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 59.

The spelling of 266231054651468 in words is "two hundred sixty-six trillion, two hundred thirty-one billion, fifty-four million, six hundred fifty-one thousand, four hundred sixty-eight".