2199552768 has 162 divisors, whose sum is σ = 7377636084. Its totient is φ = 628411392.

The previous prime is 2199552757. The next prime is 2199552781. The reversal of 2199552768 is 8672559912.

2199552768 is a `hidden beast` number, since 2 + 19 + 9 + 552 + 76 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 103155 + ... + 122637.

Almost surely, 2^2199552768 is an apocalyptic number.

2199552768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2199552768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688818042).

2199552768 is an abundant number, since it is smaller than the sum of its proper divisors (5178083316).

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

2199552768 is a wasteful number, since it uses less digits than its factorization.

2199552768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19519 (or 19495 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 2199552768 is about 46899.3898467773. The cubic root of 2199552768 is about 1300.5033096493.

The spelling of 2199552768 in words is "two billion, one hundred ninety-nine million, five hundred fifty-two thousand, seven hundred sixty-eight".