161606010566080 has 56 divisors (see below), whose sum is σ = 384943788668160. Its totient is φ = 64622334766080.

The previous prime is 161606010566071. The next prime is 161606010566149. The reversal of 161606010566080 is 80665010606161.

161606010566080 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 2×161606010566080² (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 161606010566080.

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, 77364000 + ... + 79425439.

Almost surely, 2^{161606010566080} is an apocalyptic number.

161606010566080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161606010566080 is an abundant number, since it is smaller than the sum of its proper divisors (223337778102080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161606010566080 is a wasteful number, since it uses less digits than its factorization.

161606010566080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156792677 (or 156792667 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 161606010566080 in words is "one hundred sixty-one trillion, six hundred six billion, ten million, five hundred sixty-six thousand, eighty".