667367340038 has 16 divisors (see below), whose sum is σ = 1193799962880. Its totient is φ = 273579157896.

The previous prime is 667367340037. The next prime is 667367340067. The reversal of 667367340038 is 830043763766.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667367340037) 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 7 ways as a sum of consecutive naturals, for example, 1036284368 + ... + 1036285011.

It is an arithmetic number, because the mean of its divisors is an integer number (74612497680).

Almost surely, 2^667367340038 is an apocalyptic number.

667367340038 is a deficient number, since it is larger than the sum of its proper divisors (526432622842).

667367340038 is a wasteful number, since it uses less digits than its factorization.

667367340038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072569411.

The product of its (nonzero) digits is 9144576, while the sum is 53.

The spelling of 667367340038 in words is "six hundred sixty-seven billion, three hundred sixty-seven million, three hundred forty thousand, thirty-eight".