159482181639 has 12 divisors (see below), whose sum is σ = 233731462328. Its totient is φ = 96655867440.

The previous prime is 159482181637. The next prime is 159482181643. The reversal of 159482181639 is 936181284951.

It is a happy number.

It is not a de Polignac number, because 159482181639 - 2¹ = 159482181637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159482181637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219672064 + ... + 219672789.

Almost surely, 2^159482181639 is an apocalyptic number.

159482181639 is a deficient number, since it is larger than the sum of its proper divisors (74249280689).

159482181639 is a wasteful number, since it uses less digits than its factorization.

159482181639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439344878 (or 439344867 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The spelling of 159482181639 in words is "one hundred fifty-nine billion, four hundred eighty-two million, one hundred eighty-one thousand, six hundred thirty-nine".