10663863 has 8 divisors (see below), whose sum is σ = 16249728. Its totient is φ = 6093624.

The previous prime is 10663847. The next prime is 10663867. The reversal of 10663863 is 36836601.

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

It is not a de Polignac number, because 10663863 - 2⁴ = 10663847 is a prime.

It is a super-2 number, since 2×10663863² = 227435948165538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253881 + ... + 253922.

It is an arithmetic number, because the mean of its divisors is an integer number (2031216).

Almost surely, 2^10663863 is an apocalyptic number.

10663863 is a deficient number, since it is larger than the sum of its proper divisors (5585865).

10663863 is an equidigital number, since it uses as much as digits as its factorization.

10663863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507813.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 10663863 is about 3265.5570734562. The cubic root of 10663863 is about 220.1091951043.

The spelling of 10663863 in words is "ten million, six hundred sixty-three thousand, eight hundred sixty-three".