10199663 has 4 divisors (see below), whose sum is σ = 10207560. Its totient is φ = 10191768.

The previous prime is 10199659. The next prime is 10199669. The reversal of 10199663 is 36699101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36699101 = 109 ⋅336689.

It is a cyclic number.

It is not a de Polignac number, because 10199663 - 2² = 10199659 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 (10199669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (2551890).

Almost surely, 2^10199663 is an apocalyptic number.

10199663 is a deficient number, since it is larger than the sum of its proper divisors (7897).

10199663 is an equidigital number, since it uses as much as digits as its factorization.

10199663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 10199663 is about 3193.6911247019. The cubic root of 10199663 is about 216.8679000906.

The spelling of 10199663 in words is "ten million, one hundred ninety-nine thousand, six hundred sixty-three".