158216112 has 160 divisors (see below), whose sum is σ = 478987200. Its totient is φ = 49932288.

The previous prime is 158216099. The next prime is 158216117. The reversal of 158216112 is 211612851.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (158216117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914458 + ... + 914630.

It is an arithmetic number, because the mean of its divisors is an integer number (2993670).

Almost surely, 2^158216112 is an apocalyptic number.

158216112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158216112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239493600).

158216112 is an abundant number, since it is smaller than the sum of its proper divisors (320771088).

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

158216112 is a wasteful number, since it uses less digits than its factorization.

158216112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 280 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 158216112 is about 12578.3986262163. The cubic root of 158216112 is about 540.8583878639.

Adding to 158216112 its reverse (211612851), we get a palindrome (369828963).

The spelling of 158216112 in words is "one hundred fifty-eight million, two hundred sixteen thousand, one hundred twelve".