158218101166 has 8 divisors (see below), whose sum is σ = 242376665760. Its totient is φ = 77425879248.

The previous prime is 158218101163. The next prime is 158218101233. The reversal of 158218101166 is 661101812851.

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

It is a super-2 number, since 2×158218101166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158218101163) 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, 841585551 + ... + 841585738.

It is an arithmetic number, because the mean of its divisors is an integer number (30297083220).

Almost surely, 2^158218101166 is an apocalyptic number.

158218101166 is a deficient number, since it is larger than the sum of its proper divisors (84158564594).

158218101166 is a wasteful number, since it uses less digits than its factorization.

158218101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683171338.

The product of its (nonzero) digits is 23040, while the sum is 40.

The spelling of 158218101166 in words is "one hundred fifty-eight billion, two hundred eighteen million, one hundred one thousand, one hundred sixty-six".