168933608519 has 12 divisors (see below), whose sum is σ = 183102352632. Its totient is φ = 155790180000.

The previous prime is 168933608509. The next prime is 168933608549. The reversal of 168933608519 is 915806339861.

168933608519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-168933608519 is a prime.

It is a super-2 number, since 2×168933608519² (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 (168933608509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297932 + ... + 653169.

It is an arithmetic number, because the mean of its divisors is an integer number (15258529386).

Almost surely, 2^168933608519 is an apocalyptic number.

168933608519 is a deficient number, since it is larger than the sum of its proper divisors (14168744113).

168933608519 is a wasteful number, since it uses less digits than its factorization.

168933608519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952178 (or 952165 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 168933608519 in words is "one hundred sixty-eight billion, nine hundred thirty-three million, six hundred eight thousand, five hundred nineteen".