2321616316 has 12 divisors (see below), whose sum is σ = 4065472432. Its totient is φ = 1160052768.

The previous prime is 2321616281. The next prime is 2321616317. The reversal of 2321616316 is 6136161232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321616317) 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, 181905 + ... + 194248.

Almost surely, 2^2321616316 is an apocalyptic number.

It is an amenable number.

2321616316 is a deficient number, since it is larger than the sum of its proper divisors (1743856116).

2321616316 is a wasteful number, since it uses less digits than its factorization.

2321616316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377700 (or 377698 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 2321616316 is about 48183.1538610747. The cubic root of 2321616316 is about 1324.1285483205.

Adding to 2321616316 its reverse (6136161232), we get a palindrome (8457777548).

The spelling of 2321616316 in words is "two billion, three hundred twenty-one million, six hundred sixteen thousand, three hundred sixteen".