64466648 has 16 divisors (see below), whose sum is σ = 121063680. Its totient is φ = 32183008.

The previous prime is 64466641. The next prime is 64466653. The reversal of 64466648 is 84666446.

It is a junction number, because it is equal to n+sod(n) for n = 64466599 and 64466608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64466641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (7566480).

Almost surely, 2^64466648 is an apocalyptic number.

It is an amenable number.

64466648 is a deficient number, since it is larger than the sum of its proper divisors (56597032).

64466648 is a wasteful number, since it uses less digits than its factorization.

64466648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12586 (or 12582 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The square root of 64466648 is about 8029.1125287917. The cubic root of 64466648 is about 400.9698300073.

The spelling of 64466648 in words is "sixty-four million, four hundred sixty-six thousand, six hundred forty-eight".