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161108 = 2240277

161108 has 6 divisors (see below), whose sum is σ = 281946. Its totient is φ = 80552.

The previous prime is 161093. The next prime is 161123. The reversal of 161108 is 801161.

Adding to 161108 its reverse (801161), we get a palindrome (962269).

It is a happy number.

161108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161093) and next prime (161123).

It can be written as a sum of positive squares in only one way, i.e., 158404 + 2704 = 398^2 + 52^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161108.

It is an unprimeable number.

161108 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135 + ... + 20142.

It is an arithmetic number, because the mean of its divisors is an integer number (46991).

2161108 is an apocalyptic number.

It is an amenable number.

161108 is a deficient number, since it is larger than the sum of its proper divisors (120838).

161108 is a wasteful number, since it uses less digits than its factorization.

161108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40281 (or 40279 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 161108 is about 401.3826104853. The cubic root of 161108 is about 54.4133797828.

The spelling of 161108 in words is "one hundred sixty-one thousand, one hundred eight".

Divisors: 1 2 4 40277 80554 161108