166160005111 has 2 divisors, whose sum is σ = 166160005112.
Its totient is φ = 166160005110.
The previous prime is 166160005103. The next prime is 166160005147. The reversal of 166160005111 is 111500061661.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 166160005111 - 23 = 166160005103 is a prime.
It is a super-2 number, since 2×1661600051112 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 166160005111.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (166160003111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83080002555 + 83080002556.
It is an arithmetic number, because the mean of its divisors is an integer number (83080002556).
Almost surely, 2166160005111 is an apocalyptic number.
166160005111 is a deficient number, since it is larger than the sum of its proper divisors (1).
166160005111 is an equidigital number, since it uses as much as digits as its factorization.
166160005111 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1080, while the sum is 28.
Adding to 166160005111 its reverse (111500061661), we get a palindrome (277660066772).
The spelling of 166160005111 in words is "one hundred sixty-six billion, one hundred sixty million, five thousand, one hundred eleven".