168996757319 has 8 divisors (see below), whose sum is σ = 183155723520. Its totient is φ = 155003393376.

The previous prime is 168996757313. The next prime is 168996757327. The reversal of 168996757319 is 913757699861.

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

It is not a de Polignac number, because 168996757319 - 2¹² = 168996753223 is a prime.

It is a super-2 number, since 2×168996757319² (a number of 23 digits) contains 22 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 (168996757313) 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, 41398439 + ... + 41402520.

It is an arithmetic number, because the mean of its divisors is an integer number (22894465440).

Almost surely, 2^168996757319 is an apocalyptic number.

168996757319 is a deficient number, since it is larger than the sum of its proper divisors (14158966201).

168996757319 is a wasteful number, since it uses less digits than its factorization.

168996757319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82801129.

The product of its digits is 154314720, while the sum is 71.

The spelling of 168996757319 in words is "one hundred sixty-eight billion, nine hundred ninety-six million, seven hundred fifty-seven thousand, three hundred nineteen".