159992438 has 16 divisors (see below), whose sum is σ = 242188800. Its totient is φ = 79266600.

The previous prime is 159992411. The next prime is 159992467. The reversal of 159992438 is 834299951.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113663 + ... + 115061.

It is an arithmetic number, because the mean of its divisors is an integer number (15136800).

Almost surely, 2^159992438 is an apocalyptic number.

159992438 is a deficient number, since it is larger than the sum of its proper divisors (82196362).

159992438 is a wasteful number, since it uses less digits than its factorization.

159992438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its digits is 699840, while the sum is 50.

The square root of 159992438 is about 12648.8117228457. The cubic root of 159992438 is about 542.8749705067.

The spelling of 159992438 in words is "one hundred fifty-nine million, nine hundred ninety-two thousand, four hundred thirty-eight".