64009907966 has 8 divisors (see below), whose sum is σ = 96123601704. Its totient is φ = 31968707400.

The previous prime is 64009907959. The next prime is 64009907977. The reversal of 64009907966 is 66970990046.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18121085 + ... + 18124616.

It is an arithmetic number, because the mean of its divisors is an integer number (12015450213).

Almost surely, 2^64009907966 is an apocalyptic number.

64009907966 is a deficient number, since it is larger than the sum of its proper divisors (32113693738).

64009907966 is a wasteful number, since it uses less digits than its factorization.

64009907966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36246586.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 64009907966 in words is "sixty-four billion, nine million, nine hundred seven thousand, nine hundred sixty-six".