66160160011 has 16 divisors (see below), whose sum is σ = 72517167360. Its totient is φ = 59860723680.

The previous prime is 66160159993. The next prime is 66160160089. The reversal of 66160160011 is 11006106166.

It is a cyclic number.

It is not a de Polignac number, because 66160160011 - 2⁷ = 66160159883 is a prime.

It is a super-2 number, since 2×66160160011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66160160411) 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 15 ways as a sum of consecutive naturals, for example, 2788380 + ... + 2812006.

It is an arithmetic number, because the mean of its divisors is an integer number (4532322960).

Almost surely, 2^66160160011 is an apocalyptic number.

66160160011 is a deficient number, since it is larger than the sum of its proper divisors (6357007349).

66160160011 is a wasteful number, since it uses less digits than its factorization.

66160160011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24834.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 66160160011 its reverse (11006106166), we get a palindrome (77166266177).

The spelling of 66160160011 in words is "sixty-six billion, one hundred sixty million, one hundred sixty thousand, eleven".