168227968 has 64 divisors (see below), whose sum is σ = 345021120. Its totient is φ = 81679360.

The previous prime is 168227963. The next prime is 168227987. The reversal of 168227968 is 869722861.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (168227963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972330 + ... + 972502.

It is an arithmetic number, because the mean of its divisors is an integer number (5390955).

Almost surely, 2^168227968 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 168227968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172510560).

168227968 is an abundant number, since it is smaller than the sum of its proper divisors (176793152).

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

168227968 is a wasteful number, since it uses less digits than its factorization.

168227968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 353 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 168227968 is about 12970.2724720801. The cubic root of 168227968 is about 552.0343043863.

The spelling of 168227968 in words is "one hundred sixty-eight million, two hundred twenty-seven thousand, nine hundred sixty-eight".