2164800198276 has 81 divisors (see below), whose sum is σ = 5609793733999. Its totient is φ = 703882358400.

The previous prime is 2164800198263. The next prime is 2164800198311. The reversal of 2164800198276 is 6728910084612.

It is a happy number.

The square root of 2164800198276 is 1471326.

It is a perfect power (a square), and thus also a powerful number.

2164800198276 is a `hidden beast` number, since 2 + 1 + 6 + 480 + 0 + 1 + 98 + 2 + 76 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1857839876676 + 306960321600 = 1363026^2 + 554040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 361943206 + ... + 361949186.

Almost surely, 2^{2164800198276} is an apocalyptic number.

2164800198276 is the 1471326-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2164800198276

2164800198276 is an abundant number, since it is smaller than the sum of its proper divisors (3444993535723).

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

2164800198276 is an frugal number, since it uses more digits than its factorization.

2164800198276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054 (or 6027 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 2164800198276 in words is "two trillion, one hundred sixty-four billion, eight hundred million, one hundred ninety-eight thousand, two hundred seventy-six".