109660 has 12 divisors (see below), whose sum is σ = 230328. Its totient is φ = 43856.

The previous prime is 109639. The next prime is 109661. The reversal of 109660 is 66901.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (19194).

2¹⁰⁹⁶⁶⁰ is an apocalyptic number.

109660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109660 is an abundant number, since it is smaller than the sum of its proper divisors (120668).

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

109660 is a wasteful number, since it uses less digits than its factorization.

109660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492 (or 5490 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 109660 is about 331.1495130602. The cubic root of 109660 is about 47.8647814770.

It can be divided in two parts, 1096 and 60, that added together give a square (1156 = 34²).

The spelling of 109660 in words is "one hundred nine thousand, six hundred sixty".