663026231 has 8 divisors (see below), whose sum is σ = 802317600. Its totient is φ = 534878208.

The previous prime is 663026209. The next prime is 663026281. The reversal of 663026231 is 132620366.

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

It is not a de Polignac number, because 663026231 - 2⁶ = 663026167 is a prime.

It is a super-2 number, since 2×663026231² = 879207565988130722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 663026194 and 663026203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663026201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785706 + ... + 2785943.

It is an arithmetic number, because the mean of its divisors is an integer number (100289700).

Almost surely, 2^663026231 is an apocalyptic number.

663026231 is a deficient number, since it is larger than the sum of its proper divisors (139291369).

663026231 is a wasteful number, since it uses less digits than its factorization.

663026231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571673.

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

The square root of 663026231 is about 25749.2957379420. The cubic root of 663026231 is about 871.9874548422.

Adding to 663026231 its reverse (132620366), we get a palindrome (795646597).

The spelling of 663026231 in words is "six hundred sixty-three million, twenty-six thousand, two hundred thirty-one".