64668001 has 8 divisors (see below), whose sum is σ = 69655520. Its totient is φ = 59838912.

The previous prime is 64667989. The next prime is 64668011. The reversal of 64668001 is 10086646.

64668001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64668001 - 2¹³ = 64659809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64668011) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 38760 + ... + 40393.

It is an arithmetic number, because the mean of its divisors is an integer number (8706940).

Almost surely, 2^64668001 is an apocalyptic number.

It is an amenable number.

64668001 is a deficient number, since it is larger than the sum of its proper divisors (4987519).

64668001 is a wasteful number, since it uses less digits than its factorization.

64668001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79215.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 64668001 is about 8041.6416856261. The cubic root of 64668001 is about 401.3868547774.

The spelling of 64668001 in words is "sixty-four million, six hundred sixty-eight thousand, one".