168468151 has 4 divisors (see below), whose sum is σ = 168750000. Its totient is φ = 168186304.

The previous prime is 168468149. The next prime is 168468173. The reversal of 168468151 is 151864861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168468151 - 2¹ = 168468149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168468121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140026 + ... + 141223.

It is an arithmetic number, because the mean of its divisors is an integer number (42187500).

Almost surely, 2^168468151 is an apocalyptic number.

168468151 is a deficient number, since it is larger than the sum of its proper divisors (281849).

168468151 is an equidigital number, since it uses as much as digits as its factorization.

168468151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281848.

The product of its digits is 46080, while the sum is 40.

The square root of 168468151 is about 12979.5281501293. The cubic root of 168468151 is about 552.2968968804.

The spelling of 168468151 in words is "one hundred sixty-eight million, four hundred sixty-eight thousand, one hundred fifty-one".