168111480195 has 24 divisors (see below), whose sum is σ = 291403182096. Its totient is φ = 89656394688.

The previous prime is 168111480181. The next prime is 168111480209. The reversal of 168111480195 is 591084111861.

It is a happy number.

168111480195 is a `hidden beast` number, since 1 + 6 + 81 + 1 + 1 + 480 + 1 + 95 = 666.

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

It is an interprime number because it is at equal distance from previous prime (168111480181) and next prime (168111480209).

It is not a de Polignac number, because 168111480195 - 2⁷ = 168111480067 is a prime.

It is a super-2 number, since 2×168111480195² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 168111480195.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2009064 + ... + 2091066.

It is an arithmetic number, because the mean of its divisors is an integer number (12141799254).

Almost surely, 2^168111480195 is an apocalyptic number.

168111480195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168111480195 is a deficient number, since it is larger than the sum of its proper divisors (123291701901).

168111480195 is a wasteful number, since it uses less digits than its factorization.

168111480195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127571 (or 127568 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 45.

The spelling of 168111480195 in words is "one hundred sixty-eight billion, one hundred eleven million, four hundred eighty thousand, one hundred ninety-five".