66802 has 8 divisors (see below), whose sum is σ = 101376. Its totient is φ = 33012.

The previous prime is 66797. The next prime is 66809. The reversal of 66802 is 20866.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66809) by changing a digit.

66802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 123 + ... + 385.

It is an arithmetic number, because the mean of its divisors is an integer number (12672).

2⁶⁶⁸⁰² is an apocalyptic number.

66802 is a deficient number, since it is larger than the sum of its proper divisors (34574).

66802 is a wasteful number, since it uses less digits than its factorization.

66802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 66802 is about 258.4608287536. The cubic root of 66802 is about 40.5754322477.

It can be divided in two parts, 66 and 802, that added together give a palindrome (868).

The spelling of 66802 in words is "sixty-six thousand, eight hundred two".