667614126471142 has 16 divisors (see below), whose sum is σ = 1006482081135600. Its totient is φ = 332121998094048.

The previous prime is 667614126471107. The next prime is 667614126471151. The reversal of 667614126471142 is 241174621416766.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473962893 + ... + 475369384.

It is an arithmetic number, because the mean of its divisors is an integer number (62905130070975).

Almost surely, 2^{667614126471142} is an apocalyptic number.

667614126471142 is a deficient number, since it is larger than the sum of its proper divisors (338867954664458).

667614126471142 is a wasteful number, since it uses less digits than its factorization.

667614126471142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949334055.

The product of its digits is 16257024, while the sum is 58.

The spelling of 667614126471142 in words is "six hundred sixty-seven trillion, six hundred fourteen billion, one hundred twenty-six million, four hundred seventy-one thousand, one hundred forty-two".