100000663 has 8 divisors (see below), whose sum is σ = 114988928. Its totient is φ = 85188024.

The previous prime is 100000661. The next prime is 100000669. The reversal of 100000663 is 366000001.

It is a happy number.

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 100000663 - 2¹ = 100000661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000661) 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, 42681 + ... + 44962.

It is an arithmetic number, because the mean of its divisors is an integer number (14373616).

Almost surely, 2^100000663 is an apocalyptic number.

100000663 is a deficient number, since it is larger than the sum of its proper divisors (14988265).

100000663 is an equidigital number, since it uses as much as digits as its factorization.

100000663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87813.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 100000663 is about 10000.0331499451. The cubic root of 100000663 is about 464.1599091501.

Adding to 100000663 its reverse (366000001), we get a palindrome (466000664).

The spelling of 100000663 in words is "one hundred million, six hundred sixty-three", and thus it is an aban number.