168953228 has 6 divisors (see below), whose sum is σ = 295668156. Its totient is φ = 84476612.

The previous prime is 168953227. The next prime is 168953231. The reversal of 168953228 is 822359861.

It is not an unprimeable number, because it can be changed into a prime (168953227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21119150 + ... + 21119157.

It is an arithmetic number, because the mean of its divisors is an integer number (49278026).

Almost surely, 2^168953228 is an apocalyptic number.

It is an amenable number.

168953228 is a deficient number, since it is larger than the sum of its proper divisors (126714928).

168953228 is a wasteful number, since it uses less digits than its factorization.

168953228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42238311 (or 42238309 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 168953228 is about 12998.2009524395. The cubic root of 168953228 is about 552.8264723511.

The spelling of 168953228 in words is "one hundred sixty-eight million, nine hundred fifty-three thousand, two hundred twenty-eight".