2195161516 has 12 divisors (see below), whose sum is σ = 4067505288. Its totient is φ = 1033017152.

The previous prime is 2195161513. The next prime is 2195161537. The reversal of 2195161516 is 6151615912.

It is not an unprimeable number, because it can be changed into a prime (2195161511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16140826 + ... + 16140961.

It is an arithmetic number, because the mean of its divisors is an integer number (338958774).

Almost surely, 2^2195161516 is an apocalyptic number.

It is an amenable number.

2195161516 is a deficient number, since it is larger than the sum of its proper divisors (1872343772).

2195161516 is a wasteful number, since it uses less digits than its factorization.

2195161516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32281808 (or 32281806 counting only the distinct ones).

The product of its digits is 16200, while the sum is 37.

The square root of 2195161516 is about 46852.5507950208. The cubic root of 2195161516 is about 1299.6372786859.

The spelling of 2195161516 in words is "two billion, one hundred ninety-five million, one hundred sixty-one thousand, five hundred sixteen".