266231054651460 has 96 divisors (see below), whose sum is σ = 748816424520192. Its totient is φ = 70674510635520.

The previous prime is 266231054651459. The next prime is 266231054651467. The reversal of 266231054651460 is 64156450132662.

It is not an unprimeable number, because it can be changed into a prime (266231054651467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11070430 + ... + 25593290.

It is an arithmetic number, because the mean of its divisors is an integer number (7800171088752).

Almost surely, 2^{266231054651460} is an apocalyptic number.

266231054651460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266231054651460 is an abundant number, since it is smaller than the sum of its proper divisors (482585369868732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266231054651460 is a wasteful number, since it uses less digits than its factorization.

266231054651460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14524253 (or 14524251 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 266231054651460 in words is "two hundred sixty-six trillion, two hundred thirty-one billion, fifty-four million, six hundred fifty-one thousand, four hundred sixty".