219801602196 has 144 divisors (see below), whose sum is σ = 617124231360. Its totient is φ = 65405283840.

The previous prime is 219801602161. The next prime is 219801602261. The reversal of 219801602196 is 691206108912.

219801602196 is a `hidden beast` number, since 21 + 9 + 8 + 0 + 1 + 602 + 19 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6603331 + ... + 6636533.

It is an arithmetic number, because the mean of its divisors is an integer number (4285584940).

Almost surely, 2^219801602196 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 219801602196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308562115680).

219801602196 is an abundant number, since it is smaller than the sum of its proper divisors (397322629164).

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

219801602196 is a wasteful number, since it uses less digits than its factorization.

219801602196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33526 (or 33521 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 219801602196 in words is "two hundred nineteen billion, eight hundred one million, six hundred two thousand, one hundred ninety-six".