168952158 has 48 divisors (see below), whose sum is σ = 387743616. Its totient is φ = 53056080.

The previous prime is 168952153. The next prime is 168952163. The reversal of 168952158 is 851259861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168952153) and next prime (168952163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168952151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24693 + ... + 30783.

It is an arithmetic number, because the mean of its divisors is an integer number (8077992).

Almost surely, 2^168952158 is an apocalyptic number.

168952158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168952158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193871808).

168952158 is an abundant number, since it is smaller than the sum of its proper divisors (218791458).

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

168952158 is a wasteful number, since it uses less digits than its factorization.

168952158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6189 (or 6186 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 168952158 is about 12998.1597928322. The cubic root of 168952158 is about 552.8253053110.

The spelling of 168952158 in words is "one hundred sixty-eight million, nine hundred fifty-two thousand, one hundred fifty-eight".