106555556161 has 2 divisors, whose sum is σ = 106555556162. Its totient is φ = 106555556160.

The previous prime is 106555556119. The next prime is 106555556183. The reversal of 106555556161 is 161655555601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89248575025 + 17306981136 = 298745^2 + 131556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106555556161 is a prime.

It is a super-2 number, since 2×106555556161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106555556101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53277778080 + 53277778081.

It is an arithmetic number, because the mean of its divisors is an integer number (53277778081).

Almost surely, 2^106555556161 is an apocalyptic number.

It is an amenable number.

106555556161 is a deficient number, since it is larger than the sum of its proper divisors (1).

106555556161 is an equidigital number, since it uses as much as digits as its factorization.

106555556161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 106555556161 in words is "one hundred six billion, five hundred fifty-five million, five hundred fifty-six thousand, one hundred sixty-one".