158867436 has 216 divisors, whose sum is σ = 499774464. Its totient is φ = 38413440.

The previous prime is 158867419. The next prime is 158867437. The reversal of 158867436 is 634768851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158867437) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5124741 + ... + 5124771.

Almost surely, 2^158867436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158867436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249887232).

158867436 is an abundant number, since it is smaller than the sum of its proper divisors (340907028).

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

158867436 is a wasteful number, since it uses less digits than its factorization.

158867436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 75 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 158867436 is about 12604.2626123070. The cubic root of 158867436 is about 541.5995507954.

The spelling of 158867436 in words is "one hundred fifty-eight million, eight hundred sixty-seven thousand, four hundred thirty-six".