168214856 has 8 divisors (see below), whose sum is σ = 315402870. Its totient is φ = 84107424.

The previous prime is 168214853. The next prime is 168214903. The reversal of 168214856 is 658412861.

It can be written as a sum of positive squares in only one way, i.e., 162970756 + 5244100 = 12766^2 + 2290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (168214853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10513421 + ... + 10513436.

Almost surely, 2^168214856 is an apocalyptic number.

It is an amenable number.

168214856 is a deficient number, since it is larger than the sum of its proper divisors (147188014).

168214856 is a wasteful number, since it uses less digits than its factorization.

168214856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026863 (or 21026859 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 168214856 is about 12969.7669986781. The cubic root of 168214856 is about 552.0199618210.

The spelling of 168214856 in words is "one hundred sixty-eight million, two hundred fourteen thousand, eight hundred fifty-six".