66016252515113 has 8 divisors (see below), whose sum is σ = 67801154735040. Its totient is φ = 64231386041520.

The previous prime is 66016252515043. The next prime is 66016252515181. The reversal of 66016252515113 is 31151525261066.

66016252515113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 66016252515113 - 2⁸ = 66016252514857 is a prime.

It is a super-2 number, since 2×66016252515113² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66016252515713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5171903 + ... + 12600836.

It is an arithmetic number, because the mean of its divisors is an integer number (8475144341880).

Almost surely, 2^{66016252515113} is an apocalyptic number.

It is an amenable number.

66016252515113 is a deficient number, since it is larger than the sum of its proper divisors (1784902219927).

66016252515113 is a wasteful number, since it uses less digits than its factorization.

66016252515113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17873167.

The product of its (nonzero) digits is 324000, while the sum is 44.

Adding to 66016252515113 its reverse (31151525261066), we get a palindrome (97167777776179).

The spelling of 66016252515113 in words is "sixty-six trillion, sixteen billion, two hundred fifty-two million, five hundred fifteen thousand, one hundred thirteen".