660363 has 8 divisors (see below), whose sum is σ = 960576. Its totient is φ = 400200.

The previous prime is 660349. The next prime is 660367. The reversal of 660363 is 363066.

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

It is not a de Polignac number, because 660363 - 2⁴ = 660347 is a prime.

660363 is a modest number, since divided by 363 gives 66 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660367) 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, 9973 + ... + 10038.

It is an arithmetic number, because the mean of its divisors is an integer number (120072).

2⁶⁶⁰³⁶³ is an apocalyptic number.

660363 is a deficient number, since it is larger than the sum of its proper divisors (300213).

660363 is a wasteful number, since it uses less digits than its factorization.

660363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025.

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

The square root of 660363 is about 812.6272208091. The cubic root of 660363 is about 87.0818360637.

It can be divided in two parts, 6603 and 63, that added together give a palindrome (6666).

The spelling of 660363 in words is "six hundred sixty thousand, three hundred sixty-three".