132161444516431 has 6 divisors (see below), whose sum is σ = 145268364633896. Its totient is φ = 120146767742100.

The previous prime is 132161444516407. The next prime is 132161444516459. The reversal of 132161444516431 is 134615444161231.

It is a happy number.

It is not a de Polignac number, because 132161444516431 - 2¹³ = 132161444508239 is a prime.

It is a super-2 number, since 2×132161444516431² (a number of 29 digits) contains 22 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 (132161444513431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546121671435 + ... + 546121671676.

Almost surely, 2^{132161444516431} is an apocalyptic number.

132161444516431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132161444516431 is a deficient number, since it is larger than the sum of its proper divisors (13106920117465).

132161444516431 is a wasteful number, since it uses less digits than its factorization.

132161444516431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092243343133 (or 1092243343122 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

Adding to 132161444516431 its reverse (134615444161231), we get a palindrome (266776888677662).

The spelling of 132161444516431 in words is "one hundred thirty-two trillion, one hundred sixty-one billion, four hundred forty-four million, five hundred sixteen thousand, four hundred thirty-one".