161372414727 has 8 divisors (see below), whose sum is σ = 239070244080. Its totient is φ = 107581609800.

The previous prime is 161372414659. The next prime is 161372414741. The reversal of 161372414727 is 727414273161.

161372414727 is a `hidden beast` number, since 1 + 6 + 137 + 2 + 41 + 472 + 7 = 666.

It is not a de Polignac number, because 161372414727 - 2¹⁰ = 161372413703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161372414747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2988378024 + ... + 2988378077.

It is an arithmetic number, because the mean of its divisors is an integer number (29883780510).

Almost surely, 2^161372414727 is an apocalyptic number.

161372414727 is a deficient number, since it is larger than the sum of its proper divisors (77697829353).

161372414727 is an equidigital number, since it uses as much as digits as its factorization.

161372414727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976756110 (or 5976756104 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

Adding to 161372414727 its reverse (727414273161), we get a palindrome (888786687888).

The spelling of 161372414727 in words is "one hundred sixty-one billion, three hundred seventy-two million, four hundred fourteen thousand, seven hundred twenty-seven".