159472443972 has 12 divisors (see below), whose sum is σ = 372102369296. Its totient is φ = 53157481320.

The previous prime is 159472443947. The next prime is 159472443979. The reversal of 159472443972 is 279344274951.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (159472443979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6644685154 + ... + 6644685177.

Almost surely, 2^159472443972 is an apocalyptic number.

159472443972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159472443972 is an abundant number, since it is smaller than the sum of its proper divisors (212629925324).

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

159472443972 is a wasteful number, since it uses less digits than its factorization.

159472443972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13289370338 (or 13289370336 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 159472443972 in words is "one hundred fifty-nine billion, four hundred seventy-two million, four hundred forty-three thousand, nine hundred seventy-two".