161606155016588 has 12 divisors (see below), whose sum is σ = 284875083479112. Its totient is φ = 80213274022560.

The previous prime is 161606155016587. The next prime is 161606155016611. The reversal of 161606155016588 is 885610551606161.

161606155016588 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161606155016588² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161606155016587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147450870818 + ... + 147450871913.

It is an arithmetic number, because the mean of its divisors is an integer number (23739590289926).

Almost surely, 2^{161606155016588} is an apocalyptic number.

It is an amenable number.

161606155016588 is a deficient number, since it is larger than the sum of its proper divisors (123268928462524).

161606155016588 is a wasteful number, since it uses less digits than its factorization.

161606155016588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294901742872 (or 294901742870 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 59.

The spelling of 161606155016588 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred fifty-five million, sixteen thousand, five hundred eighty-eight".