132168878077321 has 2 divisors, whose sum is σ = 132168878077322. Its totient is φ = 132168878077320.

The previous prime is 132168878077289. The next prime is 132168878077391. The reversal of 132168878077321 is 123770878861231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102946896375625 + 29221981701696 = 10146275^2 + 5405736^2 .

It is a cyclic number.

It is not a de Polignac number, because 132168878077321 - 2⁵ = 132168878077289 is a prime.

It is a super-2 number, since 2×132168878077321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (132168878077391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66084439038660 + 66084439038661.

It is an arithmetic number, because the mean of its divisors is an integer number (66084439038661).

Almost surely, 2^{132168878077321} is an apocalyptic number.

It is an amenable number.

132168878077321 is a deficient number, since it is larger than the sum of its proper divisors (1).

132168878077321 is an equidigital number, since it uses as much as digits as its factorization.

132168878077321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 132168878077321 in words is "one hundred thirty-two trillion, one hundred sixty-eight billion, eight hundred seventy-eight million, seventy-seven thousand, three hundred twenty-one".