1378013672266 has 24 divisors (see below), whose sum is σ = 2596587749280. Its totient is φ = 536888443080.

The previous prime is 1378013672261. The next prime is 1378013672291. The reversal of 1378013672266 is 6622763108731.

It is not an unprimeable number, because it can be changed into a prime (1378013672261) 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 11 ways as a sum of consecutive naturals, for example, 406731976 + ... + 406735363.

It is an arithmetic number, because the mean of its divisors is an integer number (108191156220).

Almost surely, 2^{1378013672266} is an apocalyptic number.

1378013672266 is a deficient number, since it is larger than the sum of its proper divisors (1218574077014).

1378013672266 is a wasteful number, since it uses less digits than its factorization.

1378013672266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813467370 (or 813467359 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 1378013672266 in words is "one trillion, three hundred seventy-eight billion, thirteen million, six hundred seventy-two thousand, two hundred sixty-six".