64066646061063 has 24 divisors (see below), whose sum is σ = 96567849312480. Its totient is φ = 40852557725760.

The previous prime is 64066646061059. The next prime is 64066646061179. The reversal of 64066646061063 is 36016064666046.

It is not a de Polignac number, because 64066646061063 - 2² = 64066646061059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64066646061013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282148 + ... + 11323113.

It is an arithmetic number, because the mean of its divisors is an integer number (4023660388020).

Almost surely, 2^{64066646061063} is an apocalyptic number.

64066646061063 is a deficient number, since it is larger than the sum of its proper divisors (32501203251417).

64066646061063 is a wasteful number, since it uses less digits than its factorization.

64066646061063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631959 (or 11631956 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 54.

The spelling of 64066646061063 in words is "sixty-four trillion, sixty-six billion, six hundred forty-six million, sixty-one thousand, sixty-three".