66216630533035 has 24 divisors (see below), whose sum is σ = 81966916616256. Its totient is φ = 51351401675520.

The previous prime is 66216630533023. The next prime is 66216630533071. The reversal of 66216630533035 is 53033503661266.

It is not a de Polignac number, because 66216630533035 - 2⁵ = 66216630533003 is a prime.

It is a super-2 number, since 2×66216630533035² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66216630533035.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15993202 + ... + 19703191.

It is an arithmetic number, because the mean of its divisors is an integer number (3415288192344).

Almost surely, 2^{66216630533035} is an apocalyptic number.

66216630533035 is a deficient number, since it is larger than the sum of its proper divisors (15750286083221).

66216630533035 is a wasteful number, since it uses less digits than its factorization.

66216630533035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35696743 (or 35696706 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 49.

The spelling of 66216630533035 in words is "sixty-six trillion, two hundred sixteen billion, six hundred thirty million, five hundred thirty-three thousand, thirty-five".