85166672167039 has 8 divisors (see below), whose sum is σ = 85382869178288. Its totient is φ = 84950483555520.

The previous prime is 85166672167013. The next prime is 85166672167067. The reversal of 85166672167039 is 93076127666158.

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 85166672167039 - 2⁴¹ = 82967648911487 is a prime.

It is a super-3 number, since 3×85166672167039³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85166672167139) 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, 18459364 + ... + 22607110.

It is an arithmetic number, because the mean of its divisors is an integer number (10672858647286).

Almost surely, 2^{85166672167039} is an apocalyptic number.

85166672167039 is a deficient number, since it is larger than the sum of its proper divisors (216197011249).

85166672167039 is a wasteful number, since it uses less digits than its factorization.

85166672167039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199865.

The product of its (nonzero) digits is 137168640, while the sum is 67.

The spelling of 85166672167039 in words is "eighty-five trillion, one hundred sixty-six billion, six hundred seventy-two million, one hundred sixty-seven thousand, thirty-nine".