2199911616 has 112 divisors (see below), whose sum is σ = 7391278080. Its totient is φ = 628542720.

The previous prime is 2199911587. The next prime is 2199911617. The reversal of 2199911616 is 6161199912.

2199911616 is a `hidden beast` number, since 2 + 19 + 9 + 9 + 11 + 616 = 666.

2199911616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×2199911616² = 9679222236423462912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2199911617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78840 + ... + 103031.

Almost surely, 2^2199911616 is an apocalyptic number.

It is an amenable number.

2199911616 is an abundant number, since it is smaller than the sum of its proper divisors (5191366464).

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

2199911616 is a wasteful number, since it uses less digits than its factorization.

2199911616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181899 (or 181883 counting only the distinct ones).

The product of its digits is 52488, while the sum is 45.

The square root of 2199911616 is about 46903.2154121655. The cubic root of 2199911616 is about 1300.5740297281.

The spelling of 2199911616 in words is "two billion, one hundred ninety-nine million, nine hundred eleven thousand, six hundred sixteen".