266668296293352 has 64 divisors (see below), whose sum is σ = 670840185617280. Its totient is φ = 88334489198592.

The previous prime is 266668296293339. The next prime is 266668296293353. The reversal of 266668296293352 is 253392692866662.

It is a super-2 number, since 2×266668296293352² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266668296293353) 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, 26380668 + ... + 35061035.

It is an arithmetic number, because the mean of its divisors is an integer number (10481877900270).

Almost surely, 2^{266668296293352} is an apocalyptic number.

It is an amenable number.

266668296293352 is an abundant number, since it is smaller than the sum of its proper divisors (404171889323928).

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

266668296293352 is a wasteful number, since it uses less digits than its factorization.

266668296293352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61442842 (or 61442838 counting only the distinct ones).

The product of its digits is 3627970560, while the sum is 75.

The spelling of 266668296293352 in words is "two hundred sixty-six trillion, six hundred sixty-eight billion, two hundred ninety-six million, two hundred ninety-three thousand, three hundred fifty-two".