478170168 has 64 divisors (see below), whose sum is σ = 1372032000. Its totient is φ = 136036992.

The previous prime is 478170163. The next prime is 478170193. The reversal of 478170168 is 861071874.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478170163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34198 + ... + 46106.

It is an arithmetic number, because the mean of its divisors is an integer number (21438000).

Almost surely, 2^478170168 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 478170168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686016000).

478170168 is an abundant number, since it is smaller than the sum of its proper divisors (893861832).

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

478170168 is a wasteful number, since it uses less digits than its factorization.

478170168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164 (or 12160 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 478170168 is about 21867.1024143575. The cubic root of 478170168 is about 781.9773237538.

The spelling of 478170168 in words is "four hundred seventy-eight million, one hundred seventy thousand, one hundred sixty-eight".