105644304524161 has 8 divisors (see below), whose sum is σ = 113770949521320. Its totient is φ = 97517682388992.

The previous prime is 105644304524117. The next prime is 105644304524173. The reversal of 105644304524161 is 161425403446501.

It can be written as a sum of positive squares in 4 ways, for example, as 880256768400 + 104764047755761 = 938220^2 + 10235431^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 105644304524161 - 2¹⁹ = 105644303999873 is a prime.

It is a super-2 number, since 2×105644304524161² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105644304524761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4567041 + ... + 15236353.

It is an arithmetic number, because the mean of its divisors is an integer number (14221368690165).

Almost surely, 2^{105644304524161} is an apocalyptic number.

It is an amenable number.

105644304524161 is a deficient number, since it is larger than the sum of its proper divisors (8126644997159).

105644304524161 is a wasteful number, since it uses less digits than its factorization.

105644304524161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11430995.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 105644304524161 in words is "one hundred five trillion, six hundred forty-four billion, three hundred four million, five hundred twenty-four thousand, one hundred sixty-one".