64163372 has 48 divisors (see below), whose sum is σ = 146341440. Its totient is φ = 23887872.

The previous prime is 64163369. The next prime is 64163377. The reversal of 64163372 is 27336146.

64163372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (64163377) 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 15 ways as a sum of consecutive naturals, for example, 1004 + ... + 11372.

It is an arithmetic number, because the mean of its divisors is an integer number (3048780).

Almost surely, 2^64163372 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 64163372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73170720).

64163372 is an abundant number, since it is smaller than the sum of its proper divisors (82178068).

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

64163372 is a wasteful number, since it uses less digits than its factorization.

64163372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410 (or 10408 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 64163372 is about 8010.2042420902. The cubic root of 64163372 is about 400.3400691339.

The spelling of 64163372 in words is "sixty-four million, one hundred sixty-three thousand, three hundred seventy-two".