663011 has 8 divisors (see below), whose sum is σ = 690144. Its totient is φ = 636480.

The previous prime is 663007. The next prime is 663031. The reversal of 663011 is 110366.

663011 = T₅₈ + T₅₉ + ... + T₁₆₀.

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

It is a cyclic number.

It is not a de Polignac number, because 663011 - 2² = 663007 is a prime.

It is a super-2 number, since 2×663011² = 879167172242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (663001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 4301.

It is an arithmetic number, because the mean of its divisors is an integer number (86268).

2⁶⁶³⁰¹¹ is an apocalyptic number.

663011 is a deficient number, since it is larger than the sum of its proper divisors (27133).

663011 is a wasteful number, since it uses less digits than its factorization.

663011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 663011 is about 814.2548741027. The cubic root of 663011 is about 87.1980777709.

Adding to 663011 its reverse (110366), we get a palindrome (773377).

The spelling of 663011 in words is "six hundred sixty-three thousand, eleven".