65164448 has 24 divisors (see below), whose sum is σ = 128956212. Its totient is φ = 32413696.

The previous prime is 65164447. The next prime is 65164453. The reversal of 65164448 is 84446156.

It can be written as a sum of positive squares in 2 ways, for example, as 65092624 + 71824 = 8068^2 + 268^2 .

It is not an unprimeable number, because it can be changed into a prime (65164441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 11472.

Almost surely, 2^65164448 is an apocalyptic number.

It is an amenable number.

65164448 is a deficient number, since it is larger than the sum of its proper divisors (63791764).

65164448 is a wasteful number, since it uses less digits than its factorization.

65164448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544 (or 10536 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 65164448 is about 8072.4499379061. The cubic root of 65164448 is about 402.4113673904.

The spelling of 65164448 in words is "sixty-five million, one hundred sixty-four thousand, four hundred forty-eight".