61108 has 6 divisors (see below), whose sum is σ = 106946. Its totient is φ = 30552.

The previous prime is 61099. The next prime is 61121. The reversal of 61108 is 80116.

It can be written as a sum of positive squares in only one way, i.e., 39204 + 21904 = 198^2 + 148^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 61091 and 61100.

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 61108.

It is an unprimeable number.

61108 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, 7635 + ... + 7642.

2⁶¹¹⁰⁸ is an apocalyptic number.

It is an amenable number.

61108 is a deficient number, since it is larger than the sum of its proper divisors (45838).

61108 is a wasteful number, since it uses less digits than its factorization.

61108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15281 (or 15279 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 61108 is about 247.2003236244. The cubic root of 61108 is about 39.3881899206.

It can be divided in two parts, 61 and 108, that added together give a square (169 = 13²).

The spelling of 61108 in words is "sixty-one thousand, one hundred eight".