64695168 has 96 divisors (see below), whose sum is σ = 188557200. Its totient is φ = 21288960.

The previous prime is 64695161. The next prime is 64695173. The reversal of 64695168 is 86159646.

64695168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-4 number, since 4×64695168⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64695161) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 102213 + ... + 102843.

Almost surely, 2^64695168 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 64695168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94278600).

64695168 is an abundant number, since it is smaller than the sum of its proper divisors (123862032).

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

64695168 is a wasteful number, since it uses less digits than its factorization.

64695168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 725 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 64695168 is about 8043.3306534047. The cubic root of 64695168 is about 401.4430543913.

The spelling of 64695168 in words is "sixty-four million, six hundred ninety-five thousand, one hundred sixty-eight".