8168585349133 has 4 divisors (see below), whose sum is σ = 8911184017248. Its totient is φ = 7425986681020.

The previous prime is 8168585349121. The next prime is 8168585349173. The reversal of 8168585349133 is 3319435858618.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8168585349133 - 2¹⁷ = 8168585218061 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 (8168585349173) 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, 371299334041 + ... + 371299334062.

It is an arithmetic number, because the mean of its divisors is an integer number (2227796004312).

Almost surely, 2^{8168585349133} is an apocalyptic number.

It is an amenable number.

8168585349133 is a deficient number, since it is larger than the sum of its proper divisors (742598668115).

8168585349133 is a wasteful number, since it uses less digits than its factorization.

8168585349133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742598668114.

The product of its digits is 74649600, while the sum is 64.

The spelling of 8168585349133 in words is "eight trillion, one hundred sixty-eight billion, five hundred eighty-five million, three hundred forty-nine thousand, one hundred thirty-three".