43556671060161 has 12 divisors (see below), whose sum is σ = 67557285726192. Its totient is φ = 24889526320008.

The previous prime is 43556671060159. The next prime is 43556671060171. The reversal of 43556671060161 is 16106017665534.

It is not a de Polignac number, because 43556671060161 - 2¹ = 43556671060159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43556671060171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148151942235 + ... + 148151942528.

It is an arithmetic number, because the mean of its divisors is an integer number (5629773810516).

Almost surely, 2^{43556671060161} is an apocalyptic number.

It is an amenable number.

43556671060161 is a deficient number, since it is larger than the sum of its proper divisors (24000614666031).

43556671060161 is a wasteful number, since it uses less digits than its factorization.

43556671060161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296303884780 (or 296303884773 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 43556671060161 in words is "forty-three trillion, five hundred fifty-six billion, six hundred seventy-one million, sixty thousand, one hundred sixty-one".