164186323681461 has 8 divisors (see below), whose sum is σ = 230436945517920. Its totient is φ = 103696625482992.

The previous prime is 164186323681417. The next prime is 164186323681477.

164186323681461 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164186323681461 - 2³¹ = 164184176197813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164186323681395 and 164186323681404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164186323681481) 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, 1440230909430 + ... + 1440230909543.

It is an arithmetic number, because the mean of its divisors is an integer number (28804618189740).

Almost surely, 2^{164186323681461} is an apocalyptic number.

It is an amenable number.

164186323681461 is a deficient number, since it is larger than the sum of its proper divisors (66250621836459).

164186323681461 is a wasteful number, since it uses less digits than its factorization.

164186323681461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880461818995.

The product of its digits is 23887872, while the sum is 60.

The spelling of 164186323681461 in words is "one hundred sixty-four trillion, one hundred eighty-six billion, three hundred twenty-three million, six hundred eighty-one thousand, four hundred sixty-one".