2198160740 has 24 divisors (see below), whose sum is σ = 4618074552. Its totient is φ = 878895360.

The previous prime is 2198160721. The next prime is 2198160779. The reversal of 2198160740 is 470618912.

It can be written as a sum of positive squares in 4 ways, for example, as 342102016 + 1856058724 = 18496^2 + 43082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2198160694 and 2198160703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28622 + ... + 72218.

It is an arithmetic number, because the mean of its divisors is an integer number (192419773).

Almost surely, 2^2198160740 is an apocalyptic number.

2198160740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2198160740 is an abundant number, since it is smaller than the sum of its proper divisors (2419913812).

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

2198160740 is a wasteful number, since it uses less digits than its factorization.

2198160740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46127 (or 46125 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 2198160740 is about 46884.5469211338. The cubic root of 2198160740 is about 1300.2289024935.

The spelling of 2198160740 in words is "two billion, one hundred ninety-eight million, one hundred sixty thousand, seven hundred forty".