667646832314 has 32 divisors (see below), whose sum is σ = 1265690226816. Its totient is φ = 256558821120.

The previous prime is 667646832313. The next prime is 667646832341. The reversal of 667646832314 is 413238646766.

It is a self number, because there is not a number n which added to its sum of digits gives 667646832314.

It is not an unprimeable number, because it can be changed into a prime (667646832313) by changing a digit.

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, 29683067 + ... + 29705550.

It is an arithmetic number, because the mean of its divisors is an integer number (39552819588).

Almost surely, 2^667646832314 is an apocalyptic number.

667646832314 is a deficient number, since it is larger than the sum of its proper divisors (598043394502).

667646832314 is a wasteful number, since it uses less digits than its factorization.

667646832314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59388710.

The product of its digits is 20901888, while the sum is 56.

The spelling of 667646832314 in words is "six hundred sixty-seven billion, six hundred forty-six million, eight hundred thirty-two thousand, three hundred fourteen".