64966696 has 8 divisors (see below), whose sum is σ = 121812570. Its totient is φ = 32483344.

The previous prime is 64966661. The next prime is 64966703. The reversal of 64966696 is 69666946.

64966696 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., 39866596 + 25100100 = 6314^2 + 5010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 4060411 + ... + 4060426.

Almost surely, 2^64966696 is an apocalyptic number.

It is an amenable number.

64966696 is a deficient number, since it is larger than the sum of its proper divisors (56845874).

64966696 is a wasteful number, since it uses less digits than its factorization.

64966696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120843 (or 8120839 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 52.

The square root of 64966696 is about 8060.1920572651. The cubic root of 64966696 is about 402.0038942553.

The spelling of 64966696 in words is "sixty-four million, nine hundred sixty-six thousand, six hundred ninety-six".