158669727 has 16 divisors (see below), whose sum is σ = 217749120. Its totient is φ = 102697632.

The previous prime is 158669711. The next prime is 158669729. The reversal of 158669727 is 727966851.

It is not a de Polignac number, because 158669727 - 2⁴ = 158669711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158669727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158669729) 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 15 ways as a sum of consecutive naturals, for example, 61224 + ... + 63762.

It is an arithmetic number, because the mean of its divisors is an integer number (13609320).

Almost surely, 2^158669727 is an apocalyptic number.

158669727 is a deficient number, since it is larger than the sum of its proper divisors (59079393).

158669727 is a wasteful number, since it uses less digits than its factorization.

158669727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its digits is 1270080, while the sum is 51.

The square root of 158669727 is about 12596.4172287202. The cubic root of 158669727 is about 541.3747857152.

The spelling of 158669727 in words is "one hundred fifty-eight million, six hundred sixty-nine thousand, seven hundred twenty-seven".