132161968280161 has 8 divisors (see below), whose sum is σ = 135887981408424. Its totient is φ = 128444063996160.

The previous prime is 132161968280119. The next prime is 132161968280197. The reversal of 132161968280161 is 161082869161231.

It can be written as a sum of positive squares in 4 ways, for example, as 23422308915600 + 108739659364561 = 4839660^2 + 10427831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132161968280161 - 2⁴¹ = 129962945024609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132161968280261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027178010 + ... + 2027243203.

It is an arithmetic number, because the mean of its divisors is an integer number (16985997676053).

Almost surely, 2^{132161968280161} is an apocalyptic number.

It is an amenable number.

132161968280161 is a deficient number, since it is larger than the sum of its proper divisors (3726013128263).

132161968280161 is an equidigital number, since it uses as much as digits as its factorization.

132161968280161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054422131.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The spelling of 132161968280161 in words is "one hundred thirty-two trillion, one hundred sixty-one billion, nine hundred sixty-eight million, two hundred eighty thousand, one hundred sixty-one".