168989884 has 12 divisors (see below), whose sum is σ = 337979824. Its totient is φ = 72424224.

The previous prime is 168989839. The next prime is 168989893. The reversal of 168989884 is 488989861.

168989884 is an admirable number.

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, 3017649 + ... + 3017704.

Almost surely, 2^168989884 is an apocalyptic number.

168989884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

168989884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

168989884 is a wasteful number, since it uses less digits than its factorization.

168989884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035364 (or 6035362 counting only the distinct ones).

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

The square root of 168989884 is about 12999.6109172544. The cubic root of 168989884 is about 552.8664497699.

The spelling of 168989884 in words is "one hundred sixty-eight million, nine hundred eighty-nine thousand, eight hundred eighty-four".