66363 has 8 divisors (see below), whose sum is σ = 96576. Its totient is φ = 40200.

The previous prime is 66361. The next prime is 66373. The reversal of 66363 is 36366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66363 - 2¹ = 66361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (12072).

2⁶⁶³⁶³ is an apocalyptic number.

66363 is a deficient number, since it is larger than the sum of its proper divisors (30213).

66363 is a wasteful number, since it uses less digits than its factorization.

66363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its digits is 1944, while the sum is 24.

The square root of 66363 is about 257.6101706067. The cubic root of 66363 is about 40.4863541896.

The spelling of 66363 in words is "sixty-six thousand, three hundred sixty-three".