168983408 has 40 divisors (see below), whose sum is σ = 362226816. Its totient is φ = 75723200.

The previous prime is 168983407. The next prime is 168983413. The reversal of 168983408 is 804389861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168983407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735 + ... + 19257.

Almost surely, 2^168983408 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 168983408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181113408).

168983408 is an abundant number, since it is smaller than the sum of its proper divisors (193243408).

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

168983408 is a wasteful number, since it uses less digits than its factorization.

168983408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13613 (or 13607 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 168983408 is about 12999.3618304900. The cubic root of 168983408 is about 552.8593873967.

The spelling of 168983408 in words is "one hundred sixty-eight million, nine hundred eighty-three thousand, four hundred eight".