8213115161 has 8 divisors (see below), whose sum is σ = 8808505920. Its totient is φ = 7634036592.

The previous prime is 8213115151. The next prime is 8213115179. The reversal of 8213115161 is 1615113128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8213115161 - 2²² = 8208920857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8213115151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077005 + ... + 4079018.

It is an arithmetic number, because the mean of its divisors is an integer number (1101063240).

Almost surely, 2^8213115161 is an apocalyptic number.

It is an amenable number.

8213115161 is a deficient number, since it is larger than the sum of its proper divisors (595390759).

8213115161 is a wasteful number, since it uses less digits than its factorization.

8213115161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156095.

The product of its digits is 1440, while the sum is 29.

The square root of 8213115161 is about 90626.2388108433. The cubic root of 8213115161 is about 2017.6041883865.

Adding to 8213115161 its reverse (1615113128), we get a palindrome (9828228289).

The spelling of 8213115161 in words is "eight billion, two hundred thirteen million, one hundred fifteen thousand, one hundred sixty-one".