2663838198 has 32 divisors (see below), whose sum is σ = 6765304320. Its totient is φ = 761096520.

The previous prime is 2663838187. The next prime is 2663838269. The reversal of 2663838198 is 8918383662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

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, 3523218 + ... + 3523973.

It is an arithmetic number, because the mean of its divisors is an integer number (211415760).

Almost surely, 2^2663838198 is an apocalyptic number.

2663838198 is an abundant number, since it is smaller than the sum of its proper divisors (4101466122).

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

2663838198 is a wasteful number, since it uses less digits than its factorization.

2663838198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047209 (or 7047203 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 2663838198 is about 51612.3841534181. The cubic root of 2663838198 is about 1386.2320875938.

The spelling of 2663838198 in words is "two billion, six hundred sixty-three million, eight hundred thirty-eight thousand, one hundred ninety-eight".