168111396 has 24 divisors (see below), whose sum is σ = 435844640. Its totient is φ = 56037096.

The previous prime is 168111353. The next prime is 168111401. The reversal of 168111396 is 693111861.

It is a happy number.

168111396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×168111396² = 56522882930137632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 168111396.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778186 + ... + 778401.

Almost surely, 2^168111396 is an apocalyptic number.

It is an amenable number.

168111396 is an abundant number, since it is smaller than the sum of its proper divisors (267733244).

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

168111396 is a wasteful number, since it uses less digits than its factorization.

168111396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556600 (or 1556592 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 168111396 is about 12965.7778787082. Note that the first 3 decimals coincide. The cubic root of 168111396 is about 551.9067659169.

The spelling of 168111396 in words is "one hundred sixty-eight million, one hundred eleven thousand, three hundred ninety-six".