8161246332 has 18 divisors (see below), whose sum is σ = 20629817208. Its totient is φ = 2720415432.

The previous prime is 8161246309. The next prime is 8161246337. The reversal of 8161246332 is 2336421618.

8161246332 is a `hidden beast` number, since 8 + 1 + 6 + 12 + 4 + 633 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 226701287 = 8161246332 / (8 + 1 + 6 + 1 + 2 + 4 + 6 + 3 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161246337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113350608 + ... + 113350679.

It is an arithmetic number, because the mean of its divisors is an integer number (1146100956).

Almost surely, 2^8161246332 is an apocalyptic number.

It is an amenable number.

8161246332 is an abundant number, since it is smaller than the sum of its proper divisors (12468570876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8161246332 is a wasteful number, since it uses less digits than its factorization.

8161246332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226701297 (or 226701292 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 8161246332 is about 90339.6166252658. The cubic root of 8161246332 is about 2013.3479127662.

The spelling of 8161246332 in words is "eight billion, one hundred sixty-one million, two hundred forty-six thousand, three hundred thirty-two".