161606155016596 has 24 divisors (see below), whose sum is σ = 284859314284160. Its totient is φ = 80218439748000.

The previous prime is 161606155016587. The next prime is 161606155016611. The reversal of 161606155016596 is 695610551606161.

161606155016596 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 2×161606155016596² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161606155016596.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81550176 + ... + 83508343.

Almost surely, 2^{161606155016596} is an apocalyptic number.

It is an amenable number.

161606155016596 is a deficient number, since it is larger than the sum of its proper divisors (123253159267564).

161606155016596 is a wasteful number, since it uses less digits than its factorization.

161606155016596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165060295 (or 165060293 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 58.

The spelling of 161606155016596 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred fifty-five million, sixteen thousand, five hundred ninety-six".