201822196896 has 72 divisors (see below), whose sum is σ = 574021371924. Its totient is φ = 67263575040.

The previous prime is 201822196843. The next prime is 201822196903. The reversal of 201822196896 is 698691228102.

It is a happy number.

201822196896 is a `hidden beast` number, since 201 + 82 + 219 + 68 + 96 = 666.

201822196896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 164054161296 + 37768035600 = 405036^2 + 194340^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1918990 + ... + 2021426.

Almost surely, 2^201822196896 is an apocalyptic number.

It is an amenable number.

201822196896 is an abundant number, since it is smaller than the sum of its proper divisors (372199175028).

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

201822196896 is a wasteful number, since it uses less digits than its factorization.

201822196896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109294 (or 109283 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 201822196896 in words is "two hundred one billion, eight hundred twenty-two million, one hundred ninety-six thousand, eight hundred ninety-six".