2194967616 has 56 divisors (see below), whose sum is σ = 5811585024. Its totient is φ = 731143680.

The previous prime is 2194967603. The next prime is 2194967651. The reversal of 2194967616 is 6167694912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354241 + ... + 360383.

It is an arithmetic number, because the mean of its divisors is an integer number (103778304).

Almost surely, 2^2194967616 is an apocalyptic number.

It is an amenable number.

2194967616 is an abundant number, since it is smaller than the sum of its proper divisors (3616617408).

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

2194967616 is a wasteful number, since it uses less digits than its factorization.

2194967616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019 (or 8009 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 2194967616 is about 46850.4814916560. The cubic root of 2194967616 is about 1299.5990116325.

The spelling of 2194967616 in words is "two billion, one hundred ninety-four million, nine hundred sixty-seven thousand, six hundred sixteen".