2198608761 has 8 divisors (see below), whose sum is σ = 2931716320. Its totient is φ = 1465620192.

The previous prime is 2198608757. The next prime is 2198608771. The reversal of 2198608761 is 1678068912.

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

It is not a de Polignac number, because 2198608761 - 2² = 2198608757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2198608761.

It is not an unprimeable number, because it can be changed into a prime (2198608721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31221 + ... + 73293.

It is an arithmetic number, because the mean of its divisors is an integer number (366464540).

Almost surely, 2^2198608761 is an apocalyptic number.

It is an amenable number.

2198608761 is a deficient number, since it is larger than the sum of its proper divisors (733107559).

2198608761 is a wasteful number, since it uses less digits than its factorization.

2198608761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59495.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 2198608761 is about 46889.3245952637. The cubic root of 2198608761 is about 1300.3172324430.

The spelling of 2198608761 in words is "two billion, one hundred ninety-eight million, six hundred eight thousand, seven hundred sixty-one".