168111480197 has 8 divisors (see below), whose sum is σ = 176290737240. Its totient is φ = 160091043840.

The previous prime is 168111480181. The next prime is 168111480209. The reversal of 168111480197 is 791084111861.

It is a Cunningham number, because it is equal to 410014²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1426270756 + 166685209441 = 37766^2 + 408271^2 .

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 168111480197 - 2⁴ = 168111480181 is a prime.

It is a super-2 number, since 2×168111480197² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168111480127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39703004 + ... + 39707237.

It is an arithmetic number, because the mean of its divisors is an integer number (22036342155).

Almost surely, 2^168111480197 is an apocalyptic number.

It is an amenable number.

168111480197 is a deficient number, since it is larger than the sum of its proper divisors (8179257043).

168111480197 is an equidigital number, since it uses as much as digits as its factorization.

168111480197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79410343.

The product of its (nonzero) digits is 96768, while the sum is 47.

The spelling of 168111480197 in words is "one hundred sixty-eight billion, one hundred eleven million, four hundred eighty thousand, one hundred ninety-seven".