666362 has 8 divisors (see below), whose sum is σ = 1034100. Its totient is φ = 321664.

The previous prime is 666353. The next prime is 666403. The reversal of 666362 is 263666.

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 11881 = 809^2 + 109^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

666362 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5687 + ... + 5802.

2⁶⁶⁶³⁶² is an apocalyptic number.

666362 is a deficient number, since it is larger than the sum of its proper divisors (367738).

666362 is a wasteful number, since it uses less digits than its factorization.

666362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520.

The product of its digits is 7776, while the sum is 29.

The square root of 666362 is about 816.3099901386. The cubic root of 666362 is about 87.3447369035.

The spelling of 666362 in words is "six hundred sixty-six thousand, three hundred sixty-two".