166196094619141 has 2 divisors, whose sum is σ = 166196094619142. Its totient is φ = 166196094619140.

The previous prime is 166196094618989. The next prime is 166196094619193. The reversal of 166196094619141 is 141916490691661.

166196094619141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166163804326116 + 32290293025 = 12890454^2 + 179695^2 .

It is a cyclic number.

It is not a de Polignac number, because 166196094619141 - 2¹⁷ = 166196094488069 is a prime.

It is a super-2 number, since 2×166196094619141² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166196094649141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83098047309570 + 83098047309571.

It is an arithmetic number, because the mean of its divisors is an integer number (83098047309571).

Almost surely, 2^{166196094619141} is an apocalyptic number.

It is an amenable number.

166196094619141 is a deficient number, since it is larger than the sum of its proper divisors (1).

166196094619141 is an equidigital number, since it uses as much as digits as its factorization.

166196094619141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15116544, while the sum is 64.

The spelling of 166196094619141 in words is "one hundred sixty-six trillion, one hundred ninety-six billion, ninety-four million, six hundred nineteen thousand, one hundred forty-one".