158158867 has 2 divisors, whose sum is σ = 158158868. Its totient is φ = 158158866.

The previous prime is 158158843. The next prime is 158158921. The reversal of 158158867 is 768851851.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (768851851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158158867 - 2¹¹ = 158156819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158158867.

It is not a weakly prime, because it can be changed into another prime (158158267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79079433 + 79079434.

It is an arithmetic number, because the mean of its divisors is an integer number (79079434).

Almost surely, 2^158158867 is an apocalyptic number.

158158867 is a deficient number, since it is larger than the sum of its proper divisors (1).

158158867 is an equidigital number, since it uses as much as digits as its factorization.

158158867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 49.

The square root of 158158867 is about 12576.1228922113. The cubic root of 158158867 is about 540.7931497267.

The spelling of 158158867 in words is "one hundred fifty-eight million, one hundred fifty-eight thousand, eight hundred sixty-seven".