158971361650 has 12 divisors (see below), whose sum is σ = 295686732762. Its totient is φ = 63588544640.

The previous prime is 158971361641. The next prime is 158971361651. The reversal of 158971361650 is 56163179851.

158971361650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 76071707721 + 82899653929 = 275811^2 + 287923^2 .

It is not an unprimeable number, because it can be changed into a prime (158971361651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1589713567 + ... + 1589713666.

Almost surely, 2^158971361650 is an apocalyptic number.

158971361650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158971361650 is a deficient number, since it is larger than the sum of its proper divisors (136715371112).

158971361650 is a wasteful number, since it uses less digits than its factorization.

158971361650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179427245 (or 3179427240 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 158971361650 in words is "one hundred fifty-eight billion, nine hundred seventy-one million, three hundred sixty-one thousand, six hundred fifty".