158196967 has 4 divisors (see below), whose sum is σ = 165075120. Its totient is φ = 151318816.

The previous prime is 158196931. The next prime is 158196977. The reversal of 158196967 is 769691851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158196967 - 2¹⁹ = 157672679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158196977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3439042 + ... + 3439087.

It is an arithmetic number, because the mean of its divisors is an integer number (41268780).

Almost surely, 2^158196967 is an apocalyptic number.

158196967 is a deficient number, since it is larger than the sum of its proper divisors (6878153).

158196967 is an equidigital number, since it uses as much as digits as its factorization.

158196967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878152.

The product of its digits is 816480, while the sum is 52.

The square root of 158196967 is about 12577.6375762700. The cubic root of 158196967 is about 540.8365713932.

The spelling of 158196967 in words is "one hundred fifty-eight million, one hundred ninety-six thousand, nine hundred sixty-seven".