10168813 has 4 divisors (see below), whose sum is σ = 10198300. Its totient is φ = 10139328.

The previous prime is 10168799. The next prime is 10168831. The reversal of 10168813 is 31886101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8538084 + 1630729 = 2922^2 + 1277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10168813 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 (10168843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14220 + ... + 14917.

It is an arithmetic number, because the mean of its divisors is an integer number (2549575).

Almost surely, 2^10168813 is an apocalyptic number.

It is an amenable number.

10168813 is a deficient number, since it is larger than the sum of its proper divisors (29487).

10168813 is an equidigital number, since it uses as much as digits as its factorization.

10168813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29486.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 10168813 is about 3188.8576324446. The cubic root of 10168813 is about 216.6490323584.

The spelling of 10168813 in words is "ten million, one hundred sixty-eight thousand, eight hundred thirteen".