161424131517 has 24 divisors (see below), whose sum is σ = 256072471200. Its totient is φ = 97176202080.

The previous prime is 161424131513. The next prime is 161424131521. The reversal of 161424131517 is 715131424161.

161424131517 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 2 + 4 + 131 + 517 = 666.

161424131517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161424131513) and next prime (161424131521).

It is not a de Polignac number, because 161424131517 - 2² = 161424131513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161424131513) 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 23 ways as a sum of consecutive naturals, for example, 5456883 + ... + 5486384.

It is an arithmetic number, because the mean of its divisors is an integer number (10669686300).

Almost surely, 2^161424131517 is an apocalyptic number.

It is an amenable number.

161424131517 is a deficient number, since it is larger than the sum of its proper divisors (94648339683).

161424131517 is a wasteful number, since it uses less digits than its factorization.

161424131517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943433 (or 10943430 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

Adding to 161424131517 its reverse (715131424161), we get a palindrome (876555555678).

The spelling of 161424131517 in words is "one hundred sixty-one billion, four hundred twenty-four million, one hundred thirty-one thousand, five hundred seventeen".