2201161516 has 12 divisors (see below), whose sum is σ = 3900793120. Its totient is φ = 1086649200.

The previous prime is 2201161499. The next prime is 2201161531. The reversal of 2201161516 is 6151611022.

It is a happy number.

It is a super-2 number, since 2×2201161516² = 9690224039038836512, which contains 22 as substring.

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, 3482535 + ... + 3483166.

Almost surely, 2^2201161516 is an apocalyptic number.

It is an amenable number.

2201161516 is a deficient number, since it is larger than the sum of its proper divisors (1699631604).

2201161516 is a wasteful number, since it uses less digits than its factorization.

2201161516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965784 (or 6965782 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2201161516 is about 46916.5377665488. The cubic root of 2201161516 is about 1300.8202941236.

Adding to 2201161516 its reverse (6151611022), we get a palindrome (8352772538).

The spelling of 2201161516 in words is "two billion, two hundred one million, one hundred sixty-one thousand, five hundred sixteen".