665667335873301 has 8 divisors (see below), whose sum is σ = 889533188251200. Its totient is φ = 442789853705472.

The previous prime is 665667335873299. The next prime is 665667335873303. The reversal of 665667335873301 is 103378533766566.

It is an interprime number because it is at equal distance from previous prime (665667335873299) and next prime (665667335873303).

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

It is not a de Polignac number, because 665667335873301 - 2¹ = 665667335873299 is a prime.

It is a super-2 number, since 2×665667335873301² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665667335873303) 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, 247092550945 + ... + 247092553638.

It is an arithmetic number, because the mean of its divisors is an integer number (111191648531400).

Almost surely, 2^{665667335873301} is an apocalyptic number.

It is an amenable number.

665667335873301 is a deficient number, since it is larger than the sum of its proper divisors (223865852377899).

665667335873301 is a wasteful number, since it uses less digits than its factorization.

665667335873301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494185105035.

The product of its (nonzero) digits is 1028764800, while the sum is 69.

The spelling of 665667335873301 in words is "six hundred sixty-five trillion, six hundred sixty-seven billion, three hundred thirty-five million, eight hundred seventy-three thousand, three hundred one".