10051816 has 8 divisors (see below), whose sum is σ = 18847170. Its totient is φ = 5025904.

The previous prime is 10051813. The next prime is 10051841. The reversal of 10051816 is 61815001.

It can be written as a sum of positive squares in only one way, i.e., 10048900 + 2916 = 3170^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (10051813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628231 + ... + 628246.

Almost surely, 2^10051816 is an apocalyptic number.

It is an amenable number.

10051816 is a deficient number, since it is larger than the sum of its proper divisors (8795354).

10051816 is a wasteful number, since it uses less digits than its factorization.

10051816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256483 (or 1256479 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 10051816 is about 3170.4599035471. The cubic root of 10051816 is about 215.8149420914.

Adding to 10051816 its reverse (61815001), we get a palindrome (71866817).

The spelling of 10051816 in words is "ten million, fifty-one thousand, eight hundred sixteen".