667635734110139 has 8 divisors (see below), whose sum is σ = 667882934928000. Its totient is φ = 667388536451136.

The previous prime is 667635734110117. The next prime is 667635734110183. The reversal of 667635734110139 is 931011437536766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667635734110139 - 2²⁴ = 667635717332923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667635734130139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474938399 + ... + 476342055.

It is an arithmetic number, because the mean of its divisors is an integer number (83485366866000).

Almost surely, 2^{667635734110139} is an apocalyptic number.

667635734110139 is a deficient number, since it is larger than the sum of its proper divisors (247200817861).

667635734110139 is a wasteful number, since it uses less digits than its factorization.

667635734110139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579429.

The product of its (nonzero) digits is 51438240, while the sum is 62.

The spelling of 667635734110139 in words is "six hundred sixty-seven trillion, six hundred thirty-five billion, seven hundred thirty-four million, one hundred ten thousand, one hundred thirty-nine".