158196330 has 48 divisors (see below), whose sum is σ = 415573704. Its totient is φ = 41748480.

The previous prime is 158196301. The next prime is 158196331. The reversal of 158196330 is 33691851.

It is a happy number.

158196330 is a `hidden beast` number, since 1 + 5 + 8 + 19 + 633 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 112593321 + 45603009 = 10611^2 + 6753^2 .

It is not an unprimeable number, because it can be changed into a prime (158196331) 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, 331 + ... + 17790.

Almost surely, 2^158196330 is an apocalyptic number.

158196330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158196330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207786852).

158196330 is an abundant number, since it is smaller than the sum of its proper divisors (257377374).

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

158196330 is a wasteful number, since it uses less digits than its factorization.

158196330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18231 (or 18228 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 158196330 is about 12577.6122535241. The cubic root of 158196330 is about 540.8358454767.

The spelling of 158196330 in words is "one hundred fifty-eight million, one hundred ninety-six thousand, three hundred thirty".