667670801759 has 16 divisors (see below), whose sum is σ = 722156722560. Its totient is φ = 613632391680.

The previous prime is 667670801737. The next prime is 667670801761. The reversal of 667670801759 is 957108076766.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667670801759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667670807759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24460199 + ... + 24487479.

It is an arithmetic number, because the mean of its divisors is an integer number (45134795160).

Almost surely, 2^667670801759 is an apocalyptic number.

667670801759 is a deficient number, since it is larger than the sum of its proper divisors (54485920801).

667670801759 is a wasteful number, since it uses less digits than its factorization.

667670801759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35410.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The spelling of 667670801759 in words is "six hundred sixty-seven billion, six hundred seventy million, eight hundred one thousand, seven hundred fifty-nine".