64165552 has 40 divisors (see below), whose sum is σ = 136397520. Its totient is φ = 28999680.

The previous prime is 64165547. The next prime is 64165553. The reversal of 64165552 is 25556146.

64165552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64165553) 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, 33024 + ... + 34912.

It is an arithmetic number, because the mean of its divisors is an integer number (3409938).

Almost surely, 2^64165552 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 64165552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68198760).

64165552 is an abundant number, since it is smaller than the sum of its proper divisors (72231968).

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

64165552 is a wasteful number, since it uses less digits than its factorization.

64165552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2095 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 64165552 is about 8010.3403173648. The cubic root of 64165552 is about 400.3446030366.

The spelling of 64165552 in words is "sixty-four million, one hundred sixty-five thousand, five hundred fifty-two".