2161341147 has 24 divisors (see below), whose sum is σ = 3354379776. Its totient is φ = 1234280208.

The previous prime is 2161341139. The next prime is 2161341157. The reversal of 2161341147 is 7411431612.

2161341147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2161341147 - 2³ = 2161341139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2161341137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299698 + ... + 306824.

It is an arithmetic number, because the mean of its divisors is an integer number (139765824).

Almost surely, 2^2161341147 is an apocalyptic number.

2161341147 is a deficient number, since it is larger than the sum of its proper divisors (1193038629).

2161341147 is a wasteful number, since it uses less digits than its factorization.

2161341147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207 (or 9200 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 2161341147 is about 46490.2263599566. The cubic root of 2161341147 is about 1292.9282969649.

Adding to 2161341147 its reverse (7411431612), we get a palindrome (9572772759).

The spelling of 2161341147 in words is "two billion, one hundred sixty-one million, three hundred forty-one thousand, one hundred forty-seven".