64668496 has 10 divisors (see below), whose sum is σ = 125295242. Its totient is φ = 32334240.

The previous prime is 64668481. The next prime is 64668503. The reversal of 64668496 is 69486646.

64668496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 64641600 + 26896 = 8040^2 + 164^2 .

It is a super-3 number, since 3×64668496³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 2020875 + ... + 2020906.

Almost surely, 2^64668496 is an apocalyptic number.

It is an amenable number.

64668496 is a deficient number, since it is larger than the sum of its proper divisors (60626746).

64668496 is a wasteful number, since it uses less digits than its factorization.

64668496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041789 (or 4041783 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

The square root of 64668496 is about 8041.6724628649. The cubic root of 64668496 is about 401.3878789109.

The spelling of 64668496 in words is "sixty-four million, six hundred sixty-eight thousand, four hundred ninety-six".