66343180820758 has 8 divisors (see below), whose sum is σ = 99514821835728. Its totient is φ = 33171573542184.

The previous prime is 66343180820717. The next prime is 66343180820797. The reversal of 66343180820758 is 85702808134366.

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

It is a junction number, because it is equal to n+sod(n) for n = 66343180820696 and 66343180820705.

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, 2752266 + ... + 11843197.

It is an arithmetic number, because the mean of its divisors is an integer number (12439352729466).

Almost surely, 2^{66343180820758} is an apocalyptic number.

66343180820758 is a deficient number, since it is larger than the sum of its proper divisors (33171641014970).

66343180820758 is a wasteful number, since it uses less digits than its factorization.

66343180820758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16868198.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 66343180820758 in words is "sixty-six trillion, three hundred forty-three billion, one hundred eighty million, eight hundred twenty thousand, seven hundred fifty-eight".