66502 has 8 divisors (see below), whose sum is σ = 102312. Its totient is φ = 32400.

The previous prime is 66499. The next prime is 66509. The reversal of 66502 is 20566.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66509) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 324 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (12789).

2⁶⁶⁵⁰² is an apocalyptic number.

66502 is a deficient number, since it is larger than the sum of its proper divisors (35810).

66502 is a wasteful number, since it uses less digits than its factorization.

66502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 66502 is about 257.8798169691. The cubic root of 66502 is about 40.5146012485.

The spelling of 66502 in words is "sixty-six thousand, five hundred two".