168896808016 has 40 divisors (see below), whose sum is σ = 332743156200. Its totient is φ = 83038095360.

The previous prime is 168896807929. The next prime is 168896808019. The reversal of 168896808016 is 610808698861.

It can be written as a sum of positive squares in 4 ways, for example, as 1353945616 + 167542862400 = 36796^2 + 409320^2 .

It is a super-2 number, since 2×168896808016² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168896808019) 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, 69901 + ... + 585388.

It is an arithmetic number, because the mean of its divisors is an integer number (8318578905).

Almost surely, 2^168896808016 is an apocalyptic number.

168896808016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168896808016 is a deficient number, since it is larger than the sum of its proper divisors (163846348184).

168896808016 is a wasteful number, since it uses less digits than its factorization.

168896808016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655567 (or 655561 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 61.

The spelling of 168896808016 in words is "one hundred sixty-eight billion, eight hundred ninety-six million, eight hundred eight thousand, sixteen".