10081816 has 16 divisors (see below), whose sum is σ = 20015640. Its totient is φ = 4744320.

The previous prime is 10081807. The next prime is 10081847. The reversal of 10081816 is 61818001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36930 + ... + 37201.

Almost surely, 2^10081816 is an apocalyptic number.

It is an amenable number.

10081816 is a deficient number, since it is larger than the sum of its proper divisors (9933824).

10081816 is a wasteful number, since it uses less digits than its factorization.

10081816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74154 (or 74150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 10081816 is about 3175.1875535155. The cubic root of 10081816 is about 216.0294312891.

Adding to 10081816 its reverse (61818001), we get a palindrome (71899817).

The spelling of 10081816 in words is "ten million, eighty-one thousand, eight hundred sixteen".