132661665214541 has 4 divisors (see below), whose sum is σ = 132661689906684. Its totient is φ = 132661640522400.

The previous prime is 132661665214531. The next prime is 132661665214553. The reversal of 132661665214541 is 145412566166231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66658162158025 + 66003503056516 = 8164445^2 + 8124254^2 .

It is a cyclic number.

It is not a de Polignac number, because 132661665214541 - 2⁴⁶ = 62292921036877 is a prime.

It is a super-3 number, since 3×132661665214541³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132661665214531) 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, 495440 + ... + 16296281.

It is an arithmetic number, because the mean of its divisors is an integer number (33165422476671).

Almost surely, 2^{132661665214541} is an apocalyptic number.

It is an amenable number.

132661665214541 is a deficient number, since it is larger than the sum of its proper divisors (24692143).

132661665214541 is an equidigital number, since it uses as much as digits as its factorization.

132661665214541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692142.

The product of its digits is 6220800, while the sum is 53.

The spelling of 132661665214541 in words is "one hundred thirty-two trillion, six hundred sixty-one billion, six hundred sixty-five million, two hundred fourteen thousand, five hundred forty-one".