159238001992 has 32 divisors (see below), whose sum is σ = 299011509720. Its totient is φ = 79501680640.

The previous prime is 159238001983. The next prime is 159238002013. The reversal of 159238001992 is 299100832951.

It can be written as a sum of positive squares in 4 ways, for example, as 134678724196 + 24559277796 = 366986^2 + 156714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29393268 + ... + 29398684.

Almost surely, 2^159238001992 is an apocalyptic number.

It is an amenable number.

159238001992 is a deficient number, since it is larger than the sum of its proper divisors (139773507728).

159238001992 is a wasteful number, since it uses less digits than its factorization.

159238001992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161 (or 10157 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 159238001992 in words is "one hundred fifty-nine billion, two hundred thirty-eight million, one thousand, nine hundred ninety-two".