266949481468152 has 64 divisors (see below), whose sum is σ = 770264416166400. Its totient is φ = 75516119222400.

The previous prime is 266949481468151. The next prime is 266949481468213. The reversal of 266949481468152 is 251864184949662.

It is a super-3 number, since 3×266949481468152³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266949481468151) 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, 7866245452 + ... + 7866279387.

It is an arithmetic number, because the mean of its divisors is an integer number (12035381502600).

Almost surely, 2^{266949481468152} is an apocalyptic number.

It is an amenable number.

266949481468152 is an abundant number, since it is smaller than the sum of its proper divisors (503314934698248).

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

266949481468152 is a wasteful number, since it uses less digits than its factorization.

266949481468152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15732524956 (or 15732524952 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 75.

The spelling of 266949481468152 in words is "two hundred sixty-six trillion, nine hundred forty-nine billion, four hundred eighty-one million, four hundred sixty-eight thousand, one hundred fifty-two".