67169189452117 has 4 divisors (see below), whose sum is σ = 71120318243436. Its totient is φ = 63218060660800.

The previous prime is 67169189452111. The next prime is 67169189452163. The reversal of 67169189452117 is 71125498196176.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46960127740516 + 20209061711601 = 6852746^2 + 4495449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67169189452117 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 (67169189452111) 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, 1975564395634 + ... + 1975564395667.

It is an arithmetic number, because the mean of its divisors is an integer number (17780079560859).

Almost surely, 2^{67169189452117} is an apocalyptic number.

It is an amenable number.

67169189452117 is a deficient number, since it is larger than the sum of its proper divisors (3951128791319).

67169189452117 is a wasteful number, since it uses less digits than its factorization.

67169189452117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951128791318.

The product of its digits is 45722880, while the sum is 67.

The spelling of 67169189452117 in words is "sixty-seven trillion, one hundred sixty-nine billion, one hundred eighty-nine million, four hundred fifty-two thousand, one hundred seventeen".