10081663 has 8 divisors (see below), whose sum is σ = 10703232. Its totient is φ = 9463296.

The previous prime is 10081661. The next prime is 10081679. The reversal of 10081663 is 36618001.

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 10081663 - 2¹ = 10081661 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 (10081661) 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, 9831 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (1337904).

Almost surely, 2^10081663 is an apocalyptic number.

10081663 is a deficient number, since it is larger than the sum of its proper divisors (621569).

10081663 is an equidigital number, since it uses as much as digits as its factorization.

10081663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10081663 is about 3175.1634603592. The cubic root of 10081663 is about 216.0283384744.

Adding to 10081663 its reverse (36618001), we get a palindrome (46699664).

The spelling of 10081663 in words is "ten million, eighty-one thousand, six hundred sixty-three".