158218827 has 8 divisors (see below), whose sum is σ = 227186064. Its totient is φ = 97365408.

The previous prime is 158218793. The next prime is 158218829. The reversal of 158218827 is 728812851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158218827 - 2⁶ = 158218763 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (158218829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028408 + ... + 2028485.

It is an arithmetic number, because the mean of its divisors is an integer number (28398258).

Almost surely, 2^158218827 is an apocalyptic number.

158218827 is a deficient number, since it is larger than the sum of its proper divisors (68967237).

158218827 is a wasteful number, since it uses less digits than its factorization.

158218827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056909.

The product of its digits is 71680, while the sum is 42.

The square root of 158218827 is about 12578.5065488714. The cubic root of 158218827 is about 540.8614815693.

The spelling of 158218827 in words is "one hundred fifty-eight million, two hundred eighteen thousand, eight hundred twenty-seven".