10217316161 has 4 divisors (see below), whose sum is σ = 11003263572. Its totient is φ = 9431368752.

The previous prime is 10217316157. The next prime is 10217316167. The reversal of 10217316161 is 16161371201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16161371201 = 79 ⋅204574319.

It can be written as a sum of positive squares in 2 ways, for example, as 3016096561 + 7201219600 = 54919^2 + 84860^2 .

It is not a de Polignac number, because 10217316161 - 2² = 10217316157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10217316167) 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, 392973686 + ... + 392973711.

It is an arithmetic number, because the mean of its divisors is an integer number (2750815893).

Almost surely, 2^10217316161 is an apocalyptic number.

It is an amenable number.

10217316161 is a deficient number, since it is larger than the sum of its proper divisors (785947411).

10217316161 is an equidigital number, since it uses as much as digits as its factorization.

10217316161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785947410.

The product of its (nonzero) digits is 1512, while the sum is 29.

Adding to 10217316161 its reverse (16161371201), we get a palindrome (26378687362).

The spelling of 10217316161 in words is "ten billion, two hundred seventeen million, three hundred sixteen thousand, one hundred sixty-one".