132161455728 has 60 divisors (see below), whose sum is σ = 370711220880. Its totient is φ = 43953447168.

The previous prime is 132161455721. The next prime is 132161455739. The reversal of 132161455728 is 827554161231.

132161455728 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 614 + 5 + 5 + 7 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132161455721) 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, 982101 + ... + 1108532.

It is an arithmetic number, because the mean of its divisors is an integer number (6178520348).

Almost surely, 2^132161455728 is an apocalyptic number.

132161455728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

132161455728 is an abundant number, since it is smaller than the sum of its proper divisors (238549765152).

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

132161455728 is a wasteful number, since it uses less digits than its factorization.

132161455728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091086 (or 2091077 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

It can be divided in two parts, 13216 and 1455728, that added together give a square (1468944 = 1212²).

The spelling of 132161455728 in words is "one hundred thirty-two billion, one hundred sixty-one million, four hundred fifty-five thousand, seven hundred twenty-eight".