10016261 has 4 divisors (see below), whose sum is σ = 10180524. Its totient is φ = 9852000.

The previous prime is 10016243. The next prime is 10016263. The reversal of 10016261 is 16261001.

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 1716100 + 8300161 = 1310^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 10016261 - 2⁶ = 10016197 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 (10016263) 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, 82040 + ... + 82161.

It is an arithmetic number, because the mean of its divisors is an integer number (2545131).

Almost surely, 2^10016261 is an apocalyptic number.

It is an amenable number.

10016261 is a deficient number, since it is larger than the sum of its proper divisors (164263).

10016261 is an equidigital number, since it uses as much as digits as its factorization.

10016261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164262.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10016261 is about 3164.8477056566. The cubic root of 10016261 is about 215.5601833046.

Adding to 10016261 its reverse (16261001), we get a palindrome (26277262).

It can be divided in two parts, 100 and 16261, that added together give a palindrome (16361).

The spelling of 10016261 in words is "ten million, sixteen thousand, two hundred sixty-one".