168236668848 has 80 divisors (see below), whose sum is σ = 454156574976. Its totient is φ = 53563910400.

The previous prime is 168236668841. The next prime is 168236668877. The reversal of 168236668848 is 848866632861.

It is a super-2 number, since 2×168236668848² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (168236668841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665211 + ... + 882597.

Almost surely, 2^168236668848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168236668848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227078287488).

168236668848 is an abundant number, since it is smaller than the sum of its proper divisors (285919906128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168236668848 is a wasteful number, since it uses less digits than its factorization.

168236668848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218122 (or 218116 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 66.

The spelling of 168236668848 in words is "one hundred sixty-eight billion, two hundred thirty-six million, six hundred sixty-eight thousand, eight hundred forty-eight".