161345687367 has 16 divisors (see below), whose sum is σ = 218698467840. Its totient is φ = 105788946432.

The previous prime is 161345687357. The next prime is 161345687369. The reversal of 161345687367 is 763786543161.

It is a happy number.

It is not a de Polignac number, because 161345687367 - 2⁴ = 161345687351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161345687369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263573 + ... + 1385390.

It is an arithmetic number, because the mean of its divisors is an integer number (13668654240).

Almost surely, 2^161345687367 is an apocalyptic number.

161345687367 is a deficient number, since it is larger than the sum of its proper divisors (57352780473).

161345687367 is a wasteful number, since it uses less digits than its factorization.

161345687367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649302.

The product of its digits is 15240960, while the sum is 57.

The spelling of 161345687367 in words is "one hundred sixty-one billion, three hundred forty-five million, six hundred eighty-seven thousand, three hundred sixty-seven".