161600665101108 has 24 divisors (see below), whose sum is σ = 377183990296512. Its totient is φ = 53850349548864.

The previous prime is 161600665101091. The next prime is 161600665101167. The reversal of 161600665101108 is 801101566006161.

161600665101108 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161600665101108² (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 161600665101108.

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, 2067311560 + ... + 2067389727.

It is an arithmetic number, because the mean of its divisors is an integer number (15715999595688).

Almost surely, 2^{161600665101108} is an apocalyptic number.

It is an amenable number.

161600665101108 is an abundant number, since it is smaller than the sum of its proper divisors (215583325195404).

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

161600665101108 is a wasteful number, since it uses less digits than its factorization.

161600665101108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134704551 (or 4134704549 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 161600665101108 in words is "one hundred sixty-one trillion, six hundred billion, six hundred sixty-five million, one hundred one thousand, one hundred eight".