2198211443496 has 128 divisors (see below), whose sum is σ = 6261237360000. Its totient is φ = 714161041920.

The previous prime is 2198211443447. The next prime is 2198211443497. The reversal of 2198211443496 is 6943441128912.

2198211443496 is a `hidden beast` number, since 2 + 1 + 9 + 8 + 2 + 1 + 144 + 3 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2198211443497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8902470 + ... + 9146058.

It is an arithmetic number, because the mean of its divisors is an integer number (48915916875).

Almost surely, 2^{2198211443496} 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 2198211443496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3130618680000).

2198211443496 is an abundant number, since it is smaller than the sum of its proper divisors (4063025916504).

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

2198211443496 is a wasteful number, since it uses less digits than its factorization.

2198211443496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244664 (or 244654 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 2198211443496 in words is "two trillion, one hundred ninety-eight billion, two hundred eleven million, four hundred forty-three thousand, four hundred ninety-six".