168072151 has 8 divisors (see below), whose sum is σ = 181156304. Its totient is φ = 155010240.

The previous prime is 168072143. The next prime is 168072187. The reversal of 168072151 is 151270861.

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 168072151 - 2³ = 168072143 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 (168072101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12280 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (22644538).

Almost surely, 2^168072151 is an apocalyptic number.

168072151 is a deficient number, since it is larger than the sum of its proper divisors (13084153).

168072151 is a wasteful number, since it uses less digits than its factorization.

168072151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 168072151 is about 12964.2643832961. The cubic root of 168072151 is about 551.8638156923.

The spelling of 168072151 in words is "one hundred sixty-eight million, seventy-two thousand, one hundred fifty-one".