2097561316 has 24 divisors (see below), whose sum is σ = 3872792000. Its totient is φ = 991302624.

The previous prime is 2097561313. The next prime is 2097561331. The reversal of 2097561316 is 6131657902.

It is not an unprimeable number, because it can be changed into a prime (2097561313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930 + ... + 64798.

Almost surely, 2^2097561316 is an apocalyptic number.

It is an amenable number.

2097561316 is a deficient number, since it is larger than the sum of its proper divisors (1775230684).

2097561316 is a wasteful number, since it uses less digits than its factorization.

2097561316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63331 (or 63329 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2097561316 is about 45799.1409963113. The cubic root of 2097561316 is about 1280.0832701361.

The spelling of 2097561316 in words is "two billion, ninety-seven million, five hundred sixty-one thousand, three hundred sixteen".