2261304616 has 64 divisors (see below), whose sum is σ = 4492039680. Its totient is φ = 1065071040.

The previous prime is 2261304569. The next prime is 2261304629. The reversal of 2261304616 is 6164031622.

It is a super-2 number, since 2×2261304616² = 10226997132685814912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6516555 + ... + 6516901.

It is an arithmetic number, because the mean of its divisors is an integer number (70188120).

Almost surely, 2^2261304616 is an apocalyptic number.

It is an amenable number.

2261304616 is a deficient number, since it is larger than the sum of its proper divisors (2230735064).

2261304616 is a wasteful number, since it uses less digits than its factorization.

2261304616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2261304616 is about 47553.1767182803. The cubic root of 2261304616 is about 1312.5615856937.

The spelling of 2261304616 in words is "two billion, two hundred sixty-one million, three hundred four thousand, six hundred sixteen".