266696221002 has 8 divisors (see below), whose sum is σ = 533392442016. Its totient is φ = 88898740332.

The previous prime is 266696220991. The next prime is 266696221003. The reversal of 266696221002 is 200122696662.

It is a sphenic number, since it is the product of 3 distinct primes.

266696221002 is an admirable number.

It is a super-2 number, since 2×266696221002² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266696221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22224685078 + ... + 22224685089.

It is an arithmetic number, because the mean of its divisors is an integer number (66674055252).

Almost surely, 2^266696221002 is an apocalyptic number.

266696221002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

266696221002 is a wasteful number, since it uses less digits than its factorization.

266696221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44449370172.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 266696221002 in words is "two hundred sixty-six billion, six hundred ninety-six million, two hundred twenty-one thousand, two".