550616160606161 has 12 divisors (see below), whose sum is σ = 596646569298780. Its totient is φ = 507905395058880.

The previous prime is 550616160606151. The next prime is 550616160606181. The reversal of 550616160606161 is 161606061616055.

It can be written as a sum of positive squares in 6 ways, for example, as 360843494966161 + 189772665640000 = 18995881^2 + 13775800^2 .

It is not a de Polignac number, because 550616160606161 - 2⁴² = 546218114095057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550616160606151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139745830 + ... + 1140228831.

It is an arithmetic number, because the mean of its divisors is an integer number (49720547441565).

Almost surely, 2^{550616160606161} is an apocalyptic number.

It is an amenable number.

550616160606161 is a deficient number, since it is larger than the sum of its proper divisors (46030408692619).

550616160606161 is a wasteful number, since it uses less digits than its factorization.

550616160606161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279976116 (or 2279976103 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 550616160606161 in words is "five hundred fifty trillion, six hundred sixteen billion, one hundred sixty million, six hundred six thousand, one hundred sixty-one".