2198165834 has 8 divisors (see below), whose sum is σ = 3302078400. Its totient is φ = 1097473036.

The previous prime is 2198165813. The next prime is 2198165843. The reversal of 2198165834 is 4385618912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803234 + ... + 805965.

It is an arithmetic number, because the mean of its divisors is an integer number (412759800).

Almost surely, 2^2198165834 is an apocalyptic number.

2198165834 is a deficient number, since it is larger than the sum of its proper divisors (1103912566).

2198165834 is a wasteful number, since it uses less digits than its factorization.

2198165834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609884.

The product of its digits is 414720, while the sum is 47.

The square root of 2198165834 is about 46884.6012460381. The cubic root of 2198165834 is about 1300.2299068728.

The spelling of 2198165834 in words is "two billion, one hundred ninety-eight million, one hundred sixty-five thousand, eight hundred thirty-four".