64169648 has 10 divisors (see below), whose sum is σ = 124328724. Its totient is φ = 32084816.

The previous prime is 64169561. The next prime is 64169653. The reversal of 64169648 is 84696146.

64169648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64169599 and 64169608.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2005286 + ... + 2005317.

Almost surely, 2^64169648 is an apocalyptic number.

It is an amenable number.

64169648 is a deficient number, since it is larger than the sum of its proper divisors (60159076).

64169648 is a wasteful number, since it uses less digits than its factorization.

64169648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010611 (or 4010605 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 64169648 is about 8010.5959828218. The cubic root of 64169648 is about 400.3531215046.

The spelling of 64169648 in words is "sixty-four million, one hundred sixty-nine thousand, six hundred forty-eight".