2198936568 has 64 divisors (see below), whose sum is σ = 5555291040. Its totient is φ = 725295104.

The previous prime is 2198936567. The next prime is 2198936573. The reversal of 2198936568 is 8656398912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198936567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966280 + ... + 968552.

Almost surely, 2^2198936568 is an apocalyptic number.

It is an amenable number.

2198936568 is an abundant number, since it is smaller than the sum of its proper divisors (3356354472).

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

2198936568 is a wasteful number, since it uses less digits than its factorization.

2198936568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688 (or 2684 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 57.

The square root of 2198936568 is about 46892.8200047726. The cubic root of 2198936568 is about 1300.3818539006.

The spelling of 2198936568 in words is "two billion, one hundred ninety-eight million, nine hundred thirty-six thousand, five hundred sixty-eight".