66059 has 4 divisors (see below), whose sum is σ = 75504. Its totient is φ = 56616.

The previous prime is 66047. The next prime is 66067. The reversal of 66059 is 95066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95066 = 2 ⋅47533.

It is not a de Polignac number, because 66059 - 2¹⁶ = 523 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

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 66059.

It is not an unprimeable number, because it can be changed into a prime (66029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4712 + ... + 4725.

It is an arithmetic number, because the mean of its divisors is an integer number (18876).

2⁶⁶⁰⁵⁹ is an apocalyptic number.

66059 is a deficient number, since it is larger than the sum of its proper divisors (9445).

66059 is an equidigital number, since it uses as much as digits as its factorization.

66059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 66059 is about 257.0194545166. The cubic root of 66059 is about 40.4244386986.

The spelling of 66059 in words is "sixty-six thousand, fifty-nine".