2196780192 has 72 divisors (see below), whose sum is σ = 6305566176. Its totient is φ = 725406336.

The previous prime is 2196780181. The next prime is 2196780193. The reversal of 2196780192 is 2910876912.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×2196780192³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2196780193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4828 + ... + 66459.

It is an arithmetic number, because the mean of its divisors is an integer number (87577308).

Almost surely, 2^2196780192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196780192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3152783088).

2196780192 is an abundant number, since it is smaller than the sum of its proper divisors (4108785984).

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

2196780192 is a wasteful number, since it uses less digits than its factorization.

2196780192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71410 (or 71399 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 2196780192 is about 46869.8217619824. The cubic root of 2196780192 is about 1299.9566439189.

The spelling of 2196780192 in words is "two billion, one hundred ninety-six million, seven hundred eighty thousand, one hundred ninety-two".