10081810 has 8 divisors (see below), whose sum is σ = 18147276. Its totient is φ = 4032720.

The previous prime is 10081807. The next prime is 10081847. The reversal of 10081810 is 1818001.

It can be written as a sum of positive squares in 2 ways, for example, as 10055241 + 26569 = 3171^2 + 163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10081810² = 203285785752200, which contains 22 as substring.

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, 504081 + ... + 504100.

Almost surely, 2^10081810 is an apocalyptic number.

10081810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10081810 is a deficient number, since it is larger than the sum of its proper divisors (8065466).

10081810 is a wasteful number, since it uses less digits than its factorization.

10081810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008188.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 10081810 is about 3175.1866086893. The cubic root of 10081810 is about 216.0293884339.

Adding to 10081810 its reverse (1818001), we get a palindrome (11899811).

The spelling of 10081810 in words is "ten million, eighty-one thousand, eight hundred ten".