266196222691662 has 32 divisors (see below), whose sum is σ = 548741601575424. Its totient is φ = 86048190194400.

The previous prime is 266196222691657. The next prime is 266196222691673.

266196222691662 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 266196222691593 and 266196222691602.

It is a congruent number.

It is an unprimeable number.

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, 5121890098 + ... + 5121942069.

It is an arithmetic number, because the mean of its divisors is an integer number (17148175049232).

Almost surely, 2^{266196222691662} is an apocalyptic number.

266196222691662 is an abundant number, since it is smaller than the sum of its proper divisors (282545378883762).

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

266196222691662 is a wasteful number, since it uses less digits than its factorization.

266196222691662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243832304.

The product of its digits is 120932352, while the sum is 66.

The spelling of 266196222691662 in words is "two hundred sixty-six trillion, one hundred ninety-six billion, two hundred twenty-two million, six hundred ninety-one thousand, six hundred sixty-two".