159438673344 has 56 divisors (see below), whose sum is σ = 421877467648. Its totient is φ = 53142531840.

The previous prime is 159438673333. The next prime is 159438673363. The reversal of 159438673344 is 443376834951.

It is a happy number.

It is a super-2 number, since 2×159438673344² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 5262399 + ... + 5292609.

It is an arithmetic number, because the mean of its divisors is an integer number (7533526208).

Almost surely, 2^159438673344 is an apocalyptic number.

It is an amenable number.

159438673344 is an abundant number, since it is smaller than the sum of its proper divisors (262438794304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159438673344 is a wasteful number, since it uses less digits than its factorization.

159438673344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57713 (or 57703 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The spelling of 159438673344 in words is "one hundred fifty-nine billion, four hundred thirty-eight million, six hundred seventy-three thousand, three hundred forty-four".