8667661909701 has 8 divisors (see below), whose sum is σ = 11559553440064. Its totient is φ = 5777105826240.

The previous prime is 8667661909693. The next prime is 8667661909703. The reversal of 8667661909701 is 1079091667668.

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

It is not a de Polignac number, because 8667661909701 - 2³ = 8667661909693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8667661909703) 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 7 ways as a sum of consecutive naturals, for example, 333846580 + ... + 333872541.

It is an arithmetic number, because the mean of its divisors is an integer number (1444944180008).

Almost surely, 2^{8667661909701} is an apocalyptic number.

It is an amenable number.

8667661909701 is a deficient number, since it is larger than the sum of its proper divisors (2891891530363).

8667661909701 is a wasteful number, since it uses less digits than its factorization.

8667661909701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667723451.

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 8667661909701 in words is "eight trillion, six hundred sixty-seven billion, six hundred sixty-one million, nine hundred nine thousand, seven hundred one".