168132928 has 28 divisors (see below), whose sum is σ = 335657952. Its totient is φ = 83557760.

The previous prime is 168132901. The next prime is 168132931. The reversal of 168132928 is 829231861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (11987784).

Almost surely, 2^168132928 is an apocalyptic number.

It is an amenable number.

168132928 is a deficient number, since it is larger than the sum of its proper divisors (167525024).

168132928 is a wasteful number, since it uses less digits than its factorization.

168132928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15910 (or 15900 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 168132928 is about 12966.6081918133. The cubic root of 168132928 is about 551.9303279705.

The spelling of 168132928 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, nine hundred twenty-eight".