161606010566079 has 96 divisors (see below), whose sum is σ = 239213363650560. Its totient is φ = 105102349804800.

The previous prime is 161606010566071. The next prime is 161606010566149. The reversal of 161606010566079 is 970665010606161.

It is a happy number.

161606010566079 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 0 + 6 + 0 + 1 + 0 + 566 + 0 + 79 = 666.

It is not a de Polignac number, because 161606010566079 - 2³ = 161606010566071 is a prime.

It is a super-2 number, since 2×161606010566079² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161606010566071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32853425182 + ... + 32853430100.

It is an arithmetic number, because the mean of its divisors is an integer number (2491805871360).

Almost surely, 2^{161606010566079} is an apocalyptic number.

161606010566079 is a deficient number, since it is larger than the sum of its proper divisors (77607353084481).

161606010566079 is a wasteful number, since it uses less digits than its factorization.

161606010566079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221 (or 6218 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 161606010566079 in words is "one hundred sixty-one trillion, six hundred six billion, ten million, five hundred sixty-six thousand, seventy-nine".