131566272448 has 56 divisors (see below), whose sum is σ = 283647995568. Its totient is φ = 60185481216.

The previous prime is 131566272419. The next prime is 131566272529. The reversal of 131566272448 is 844272665131.

It is a super-2 number, since 2×131566272448² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605686 + ... + 793717.

It is an arithmetic number, because the mean of its divisors is an integer number (5065142778).

Almost surely, 2^131566272448 is an apocalyptic number.

It is an amenable number.

131566272448 is an abundant number, since it is smaller than the sum of its proper divisors (152081723120).

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

131566272448 is a wasteful number, since it uses less digits than its factorization.

131566272448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399541 (or 1399531 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 131566272448 in words is "one hundred thirty-one billion, five hundred sixty-six million, two hundred seventy-two thousand, four hundred forty-eight".