66110 has 16 divisors (see below), whose sum is σ = 130032. Its totient is φ = 24000.

The previous prime is 66109. The next prime is 66137. The reversal of 66110 is 1166.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 410.

It is an arithmetic number, because the mean of its divisors is an integer number (8127).

2⁶⁶¹¹⁰ is an apocalyptic number.

66110 is a deficient number, since it is larger than the sum of its proper divisors (63922).

66110 is a wasteful number, since it uses less digits than its factorization.

66110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 66110 is about 257.1186496542. The cubic root of 66110 is about 40.4348390782.

Adding to 66110 its reverse (1166), we get a palindrome (67276).

It can be divided in two parts, 66 and 110, that multiplied together give a triangular number (7260 = T₁₂₀).

The spelling of 66110 in words is "sixty-six thousand, one hundred ten".