66343140660063 has 8 divisors (see below), whose sum is σ = 88461239396400. Its totient is φ = 44226901181888.

The previous prime is 66343140660023. The next prime is 66343140660089. The reversal of 66343140660063 is 36006604134366.

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 66343140660063 - 2²⁹ = 66342603789151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66343140659994 and 66343140660021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66343140660023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464731278 + ... + 464874011.

It is an arithmetic number, because the mean of its divisors is an integer number (11057654924550).

Almost surely, 2^{66343140660063} is an apocalyptic number.

66343140660063 is a deficient number, since it is larger than the sum of its proper divisors (22118098736337).

66343140660063 is a wasteful number, since it uses less digits than its factorization.

66343140660063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929629081.

The product of its (nonzero) digits is 3359232, while the sum is 48.

The spelling of 66343140660063 in words is "sixty-six trillion, three hundred forty-three billion, one hundred forty million, six hundred sixty thousand, sixty-three".