266342222243662 has 4 divisors (see below), whose sum is σ = 399513333365496. Its totient is φ = 133171111121830.

The previous prime is 266342222243561. The next prime is 266342222243687.

266342222243662 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66585555560914 + ... + 66585555560917.

It is an arithmetic number, because the mean of its divisors is an integer number (99878333341374).

Almost surely, 2^{266342222243662} is an apocalyptic number.

266342222243662 is a deficient number, since it is larger than the sum of its proper divisors (133171111121834).

266342222243662 is a wasteful number, since it uses less digits than its factorization.

266342222243662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133171111121833.

The product of its digits is 23887872, while the sum is 52.

The spelling of 266342222243662 in words is "two hundred sixty-six trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-three thousand, six hundred sixty-two".