10681663 has 2 divisors, whose sum is σ = 10681664. Its totient is φ = 10681662.

The previous prime is 10681633. The next prime is 10681679. The reversal of 10681663 is 36618601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10681663 - 2⁵ = 10681631 is a prime.

It is a super-2 number, since 2×10681663² = 228195848891138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10681603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340831 + 5340832.

It is an arithmetic number, because the mean of its divisors is an integer number (5340832).

Almost surely, 2^10681663 is an apocalyptic number.

10681663 is a deficient number, since it is larger than the sum of its proper divisors (1).

10681663 is an equidigital number, since it uses as much as digits as its factorization.

10681663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 10681663 is about 3268.2813526378. The cubic root of 10681663 is about 220.2315949564.

The spelling of 10681663 in words is "ten million, six hundred eighty-one thousand, six hundred sixty-three".