2195944616 has 16 divisors (see below), whose sum is σ = 4148828640. Its totient is φ = 1089590320.

The previous prime is 2195944603. The next prime is 2195944633. The reversal of 2195944616 is 6164495912.

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, 1046636 + ... + 1048731.

It is an arithmetic number, because the mean of its divisors is an integer number (259301790).

Almost surely, 2^2195944616 is an apocalyptic number.

It is an amenable number.

2195944616 is a deficient number, since it is larger than the sum of its proper divisors (1952884024).

2195944616 is a wasteful number, since it uses less digits than its factorization.

2195944616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095504 (or 2095500 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 2195944616 is about 46860.9071188341. The cubic root of 2195944616 is about 1299.7918041344.

The spelling of 2195944616 in words is "two billion, one hundred ninety-five million, nine hundred forty-four thousand, six hundred sixteen".