2199618219996 has 72 divisors (see below), whose sum is σ = 5588988573168. Its totient is φ = 729408960000.

The previous prime is 2199618219983. The next prime is 2199618220021. The reversal of 2199618219996 is 6999128169912.

2199618219996 is a `hidden beast` number, since 219 + 9 + 61 + 82 + 199 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8293846 + ... + 8554946.

It is an arithmetic number, because the mean of its divisors is an integer number (77624841294).

Almost surely, 2^{2199618219996} is an apocalyptic number.

It is an amenable number.

2199618219996 is an abundant number, since it is smaller than the sum of its proper divisors (3389370353172).

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

2199618219996 is a wasteful number, since it uses less digits than its factorization.

2199618219996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262323 (or 262318 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 72.

The spelling of 2199618219996 in words is "two trillion, one hundred ninety-nine billion, six hundred eighteen million, two hundred nineteen thousand, nine hundred ninety-six".