85143168 has 96 divisors (see below), whose sum is σ = 267321600. Its totient is φ = 25797120.

The previous prime is 85143167. The next prime is 85143173. The reversal of 85143168 is 86134158.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (85143167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9313 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (2784600).

Almost surely, 2^85143168 is an apocalyptic number.

85143168 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85143168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133660800).

85143168 is an abundant number, since it is smaller than the sum of its proper divisors (182178432).

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

85143168 is a wasteful number, since it uses less digits than its factorization.

85143168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750 (or 6735 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 85143168 is about 9227.3055655484. The cubic root of 85143168 is about 439.9296857337.

The spelling of 85143168 in words is "eighty-five million, one hundred forty-three thousand, one hundred sixty-eight".