64168312 has 32 divisors (see below), whose sum is σ = 131518800. Its totient is φ = 29170944.

The previous prime is 64168297. The next prime is 64168327. The reversal of 64168312 is 21386146.

It is a happy number.

64168312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64168297) and next prime (64168327).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364 + ... + 11572.

Almost surely, 2^64168312 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 64168312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65759400).

64168312 is an abundant number, since it is smaller than the sum of its proper divisors (67350488).

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

64168312 is a wasteful number, since it uses less digits than its factorization.

64168312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295 (or 9291 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 64168312 is about 8010.5125928370. The cubic root of 64168312 is about 400.3503430598.

The spelling of 64168312 in words is "sixty-four million, one hundred sixty-eight thousand, three hundred twelve".