168152215 has 64 divisors (see below), whose sum is σ = 264609792. Its totient is φ = 99532800.

The previous prime is 168152213. The next prime is 168152221. The reversal of 168152215 is 512251861.

It is not a de Polignac number, because 168152215 - 2¹ = 168152213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

Its product of digits (4800) is a multiple of the sum of its prime divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168152213) 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 63 ways as a sum of consecutive naturals, for example, 871159 + ... + 871351.

It is an arithmetic number, because the mean of its divisors is an integer number (4134528).

Almost surely, 2^168152215 is an apocalyptic number.

168152215 is a deficient number, since it is larger than the sum of its proper divisors (96457577).

168152215 is a wasteful number, since it uses less digits than its factorization.

168152215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 4800, while the sum is 31.

The square root of 168152215 is about 12967.3518884929. The cubic root of 168152215 is about 551.9514316559.

The spelling of 168152215 in words is "one hundred sixty-eight million, one hundred fifty-two thousand, two hundred fifteen".