65168160 has 96 divisors (see below), whose sum is σ = 206986752. Its totient is φ = 17233920.

The previous prime is 65168149. The next prime is 65168161. The reversal of 65168160 is 6186156.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65168161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65265 + ... + 66255.

It is an arithmetic number, because the mean of its divisors is an integer number (2156112).

Almost surely, 2^65168160 is an apocalyptic number.

65168160 is a gapful number since it is divisible by the number (60) 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 65168160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103493376).

65168160 is an abundant number, since it is smaller than the sum of its proper divisors (141818592).

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

65168160 is a wasteful number, since it uses less digits than its factorization.

65168160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 65168160 is about 8072.6798524406. The cubic root of 65168160 is about 402.4190081756.

The spelling of 65168160 in words is "sixty-five million, one hundred sixty-eight thousand, one hundred sixty".