158221160 has 16 divisors (see below), whose sum is σ = 355997700. Its totient is φ = 63288448.

The previous prime is 158221127. The next prime is 158221171. The reversal of 158221160 is 61122851.

158221160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157803844 + 417316 = 12562^2 + 646^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1977725 + ... + 1977804.

Almost surely, 2^158221160 is an apocalyptic number.

158221160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158221160 is an abundant number, since it is smaller than the sum of its proper divisors (197776540).

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

158221160 is a wasteful number, since it uses less digits than its factorization.

158221160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955540 (or 3955536 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 158221160 is about 12578.5992860891. The cubic root of 158221160 is about 540.8641399627.

The spelling of 158221160 in words is "one hundred fifty-eight million, two hundred twenty-one thousand, one hundred sixty".