66119 has 4 divisors (see below), whose sum is σ = 67944. Its totient is φ = 64296.

The previous prime is 66109. The next prime is 66137. The reversal of 66119 is 91166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66119 - 2⁴ = 66103 is a prime.

It is a super-2 number, since 2×66119² = 8743444322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 66094 and 66103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66109) 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, 857 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (16986).

2⁶⁶¹¹⁹ is an apocalyptic number.

66119 is a deficient number, since it is larger than the sum of its proper divisors (1825).

66119 is a wasteful number, since it uses less digits than its factorization.

66119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its digits is 324, while the sum is 23.

The square root of 66119 is about 257.1361507062. The cubic root of 66119 is about 40.4366738841.

The spelling of 66119 in words is "sixty-six thousand, one hundred nineteen".