667703120107 has 4 divisors (see below), whose sum is σ = 669419580960. Its totient is φ = 665986659256.

The previous prime is 667703119997. The next prime is 667703120131. The reversal of 667703120107 is 701021307766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667703120107 - 2²³ = 667694731499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 667703120107.

It is not an unprimeable number, because it can be changed into a prime (667703124107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858229843 + ... + 858230620.

It is an arithmetic number, because the mean of its divisors is an integer number (167354895240).

Almost surely, 2^667703120107 is an apocalyptic number.

667703120107 is a deficient number, since it is larger than the sum of its proper divisors (1716460853).

667703120107 is a wasteful number, since it uses less digits than its factorization.

667703120107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716460852.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 667703120107 in words is "six hundred sixty-seven billion, seven hundred three million, one hundred twenty thousand, one hundred seven".