168011361168 has 80 divisors (see below), whose sum is σ = 512034656256. Its totient is φ = 46454751360.

The previous prime is 168011361143. The next prime is 168011361169. The reversal of 168011361168 is 861163110861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (168011361169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8054646 + ... + 8075477.

Almost surely, 2^168011361168 is an apocalyptic number.

It is an amenable number.

168011361168 is an abundant number, since it is smaller than the sum of its proper divisors (344023295088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168011361168 is a wasteful number, since it uses less digits than its factorization.

168011361168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16130172 (or 16130166 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The spelling of 168011361168 in words is "one hundred sixty-eight billion, eleven million, three hundred sixty-one thousand, one hundred sixty-eight".