158166206 has 16 divisors (see below), whose sum is σ = 259150320. Its totient is φ = 71801280.

The previous prime is 158166179. The next prime is 158166209. The reversal of 158166206 is 602661851.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158166209) 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 7 ways as a sum of consecutive naturals, for example, 14660 + ... + 23048.

It is an arithmetic number, because the mean of its divisors is an integer number (16196895).

Almost surely, 2^158166206 is an apocalyptic number.

158166206 is a deficient number, since it is larger than the sum of its proper divisors (100984114).

158166206 is a wasteful number, since it uses less digits than its factorization.

158166206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 158166206 is about 12576.4146719166. The cubic root of 158166206 is about 540.8015143532.

It can be divided in two parts, 15816 and 6206, that added together give a palindrome (22022).

The spelling of 158166206 in words is "one hundred fifty-eight million, one hundred sixty-six thousand, two hundred six".