64411968 has 56 divisors (see below), whose sum is σ = 175048672. Its totient is φ = 20888064.

The previous prime is 64411961. The next prime is 64411969. The reversal of 64411968 is 86911446.

64411968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64411961) 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 7 ways as a sum of consecutive naturals, for example, 2571 + ... + 11637.

Almost surely, 2^64411968 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 64411968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87524336).

64411968 is an abundant number, since it is smaller than the sum of its proper divisors (110636704).

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

64411968 is a wasteful number, since it uses less digits than its factorization.

64411968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119 (or 9109 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 64411968 is about 8025.7066978553. The cubic root of 64411968 is about 400.8564316700.

The spelling of 64411968 in words is "sixty-four million, four hundred eleven thousand, nine hundred sixty-eight".