10168861 has 4 divisors (see below), whose sum is σ = 10416924. Its totient is φ = 9920800.

The previous prime is 10168859. The next prime is 10168877. The reversal of 10168861 is 16886101.

It is a happy number.

10168861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4384836 + 5784025 = 2094^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 10168861 - 2¹ = 10168859 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 (10168831) 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, 123970 + ... + 124051.

It is an arithmetic number, because the mean of its divisors is an integer number (2604231).

Almost surely, 2^10168861 is an apocalyptic number.

It is an amenable number.

10168861 is a deficient number, since it is larger than the sum of its proper divisors (248063).

10168861 is an equidigital number, since it uses as much as digits as its factorization.

10168861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248062.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 10168861 is about 3188.8651586419. The cubic root of 10168861 is about 216.6493732417.

The spelling of 10168861 in words is "ten million, one hundred sixty-eight thousand, eight hundred sixty-one".