161606110605134 has 64 divisors (see below), whose sum is σ = 282509773056000. Its totient is φ = 68663323289088.

The previous prime is 161606110605101. The next prime is 161606110605139. The reversal of 161606110605134 is 431506011606161.

It is a super-2 number, since 2×161606110605134² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161606110605091 and 161606110605100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161606110605139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10380902 + ... + 20759945.

It is an arithmetic number, because the mean of its divisors is an integer number (4414215204000).

Almost surely, 2^{161606110605134} is an apocalyptic number.

161606110605134 is a deficient number, since it is larger than the sum of its proper divisors (120903662450866).

161606110605134 is a wasteful number, since it uses less digits than its factorization.

161606110605134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31141137.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 161606110605134 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred ten million, six hundred five thousand, one hundred thirty-four".