168111201 has 8 divisors (see below), whose sum is σ = 224209440. Its totient is φ = 112043552.

The previous prime is 168111199. The next prime is 168111211. The reversal of 168111201 is 102111861.

It is a happy number.

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 168111201 - 2¹ = 168111199 is a prime.

It is a super-2 number, since 2×168111201² = 56522751803324802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168111211) 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, 13666 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (28026180).

Almost surely, 2^168111201 is an apocalyptic number.

It is an amenable number.

168111201 is a deficient number, since it is larger than the sum of its proper divisors (56098239).

168111201 is an equidigital number, since it uses as much as digits as its factorization.

168111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295.

The product of its (nonzero) digits is 96, while the sum is 21.

The square root of 168111201 is about 12965.7703589104. The cubic root of 168111201 is about 551.9065525230.

The spelling of 168111201 in words is "one hundred sixty-eight million, one hundred eleven thousand, two hundred one".