158920768 has 14 divisors (see below), whose sum is σ = 315358526. Its totient is φ = 79460352.

The previous prime is 158920763. The next prime is 158920829. The reversal of 158920768 is 867029851.

It can be written as a sum of positive squares in only one way, i.e., 154952704 + 3968064 = 12448^2 + 1992^2 .

It is not an unprimeable number, because it can be changed into a prime (158920763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1241505 + ... + 1241632.

It is an arithmetic number, because the mean of its divisors is an integer number (22525609).

Almost surely, 2^158920768 is an apocalyptic number.

It is an amenable number.

158920768 is a deficient number, since it is larger than the sum of its proper divisors (156437758).

158920768 is an equidigital number, since it uses as much as digits as its factorization.

158920768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483149 (or 2483139 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 158920768 is about 12606.3780682637. The cubic root of 158920768 is about 541.6601492339.

The spelling of 158920768 in words is "one hundred fifty-eight million, nine hundred twenty thousand, seven hundred sixty-eight".