667370363721742 has 24 divisors (see below), whose sum is σ = 1063614485999304. Its totient is φ = 313994781666432.

The previous prime is 667370363721739. The next prime is 667370363721769. The reversal of 667370363721742 is 247127363073766.

It is a happy number.

667370363721742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110776348 + ... + 116645359.

It is an arithmetic number, because the mean of its divisors is an integer number (44317270249971).

Almost surely, 2^{667370363721742} is an apocalyptic number.

667370363721742 is a deficient number, since it is larger than the sum of its proper divisors (396244122277562).

667370363721742 is a wasteful number, since it uses less digits than its factorization.

667370363721742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227426820 (or 227426803 counting only the distinct ones).

The product of its (nonzero) digits is 224042112, while the sum is 64.

The spelling of 667370363721742 in words is "six hundred sixty-seven trillion, three hundred seventy billion, three hundred sixty-three million, seven hundred twenty-one thousand, seven hundred forty-two".