10506161 has 4 divisors (see below), whose sum is σ = 10527552. Its totient is φ = 10484772.

The previous prime is 10506079. The next prime is 10506169. The reversal of 10506161 is 16160501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10506161 - 2¹⁰ = 10505137 is a prime.

It is a super-2 number, since 2×10506161² = 220758837915842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10506169) by changing a digit.

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, 9941 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (2631888).

Almost surely, 2^10506161 is an apocalyptic number.

It is an amenable number.

10506161 is a deficient number, since it is larger than the sum of its proper divisors (21391).

10506161 is an equidigital number, since it uses as much as digits as its factorization.

10506161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21390.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10506161 is about 3241.3208727307. The cubic root of 10506161 is about 219.0187775369.

Adding to 10506161 its reverse (16160501), we get a palindrome (26666662).

The spelling of 10506161 in words is "ten million, five hundred six thousand, one hundred sixty-one".