168612606356 has 12 divisors (see below), whose sum is σ = 295086465492. Its totient is φ = 84302187648.

The previous prime is 168612606301. The next prime is 168612606373. The reversal of 168612606356 is 653606216861.

It can be written as a sum of positive squares in 2 ways, for example, as 136744644100 + 31867962256 = 369790^2 + 178516^2 .

It is a super-3 number, since 3×168612606356³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935765 + ... + 1101308.

It is an arithmetic number, because the mean of its divisors is an integer number (24590538791).

Almost surely, 2^168612606356 is an apocalyptic number.

It is an amenable number.

168612606356 is a deficient number, since it is larger than the sum of its proper divisors (126473859136).

168612606356 is a wasteful number, since it uses less digits than its factorization.

168612606356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057770 (or 2057768 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 168612606356 in words is "one hundred sixty-eight billion, six hundred twelve million, six hundred six thousand, three hundred fifty-six".