132155223661 has 8 divisors (see below), whose sum is σ = 137768974848. Its totient is φ = 126625890000.

The previous prime is 132155223533. The next prime is 132155223689. The reversal of 132155223661 is 166322551231.

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 132155223661 - 2⁷ = 132155223533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132155223661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132155223061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21101185 + ... + 21107446.

It is an arithmetic number, because the mean of its divisors is an integer number (17221121856).

Almost surely, 2^132155223661 is an apocalyptic number.

It is an amenable number.

132155223661 is a deficient number, since it is larger than the sum of its proper divisors (5613751187).

132155223661 is a wasteful number, since it uses less digits than its factorization.

132155223661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42208763.

The product of its digits is 64800, while the sum is 37.

Adding to 132155223661 its reverse (166322551231), we get a palindrome (298477774892).

The spelling of 132155223661 in words is "one hundred thirty-two billion, one hundred fifty-five million, two hundred twenty-three thousand, six hundred sixty-one".