158016258 has 80 divisors (see below), whose sum is σ = 378161784. Its totient is φ = 49144320.

The previous prime is 158016253. The next prime is 158016259. The reversal of 158016258 is 852610851.

It can be written as a sum of positive squares in 4 ways, for example, as 67519089 + 90497169 = 8217^2 + 9513^2 .

It is not an unprimeable number, because it can be changed into a prime (158016253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 498316 + ... + 498632.

Almost surely, 2^158016258 is an apocalyptic number.

158016258 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 158016258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189080892).

158016258 is an abundant number, since it is smaller than the sum of its proper divisors (220145526).

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

158016258 is a wasteful number, since it uses less digits than its factorization.

158016258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 158016258 is about 12570.4517818573. The cubic root of 158016258 is about 540.6305597031.

The spelling of 158016258 in words is "one hundred fifty-eight million, sixteen thousand, two hundred fifty-eight".