132165801655 has 4 divisors (see below), whose sum is σ = 158598961992. Its totient is φ = 105732641320.

The previous prime is 132165801653. The next prime is 132165801659. The reversal of 132165801655 is 556108561231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556108561231 = 23 ⋅24178633097.

It is not a de Polignac number, because 132165801655 - 2¹ = 132165801653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132165801653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13216580161 + ... + 13216580170.

It is an arithmetic number, because the mean of its divisors is an integer number (39649740498).

Almost surely, 2^132165801655 is an apocalyptic number.

132165801655 is a deficient number, since it is larger than the sum of its proper divisors (26433160337).

132165801655 is an equidigital number, since it uses as much as digits as its factorization.

132165801655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26433160336.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 132165801655 in words is "one hundred thirty-two billion, one hundred sixty-five million, eight hundred one thousand, six hundred fifty-five".