8161229367 has 12 divisors (see below), whose sum is σ = 11796024240. Its totient is φ = 5437320288.

The previous prime is 8161229347. The next prime is 8161229369. The reversal of 8161229367 is 7639221618.

8161229367 is a `hidden beast` number, since 8 + 1 + 61 + 229 + 367 = 666.

It is not a de Polignac number, because 8161229367 - 2¹⁵ = 8161196599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161229369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276798 + ... + 304859.

It is an arithmetic number, because the mean of its divisors is an integer number (983002020).

Almost surely, 2^8161229367 is an apocalyptic number.

8161229367 is a deficient number, since it is larger than the sum of its proper divisors (3634794873).

8161229367 is a wasteful number, since it uses less digits than its factorization.

8161229367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583222 (or 583219 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 8161229367 is about 90339.5227295341. The cubic root of 8161229367 is about 2013.3465176986.

The spelling of 8161229367 in words is "eight billion, one hundred sixty-one million, two hundred twenty-nine thousand, three hundred sixty-seven".