161606010566059 has 2 divisors, whose sum is σ = 161606010566060. Its totient is φ = 161606010566058.

The previous prime is 161606010566051. The next prime is 161606010566069. The reversal of 161606010566059 is 950665010606161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161606010566059 - 2³ = 161606010566051 is a prime.

It is a super-2 number, since 2×161606010566059² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161606010565997 and 161606010566015.

It is not a weakly prime, because it can be changed into another prime (161606010566051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80803005283029 + 80803005283030.

It is an arithmetic number, because the mean of its divisors is an integer number (80803005283030).

Almost surely, 2^{161606010566059} is an apocalyptic number.

161606010566059 is a deficient number, since it is larger than the sum of its proper divisors (1).

161606010566059 is an equidigital number, since it uses as much as digits as its factorization.

161606010566059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 161606010566059 in words is "one hundred sixty-one trillion, six hundred six billion, ten million, five hundred sixty-six thousand, fifty-nine".