198394349296 has 160 divisors (see below), whose sum is σ = 462498398208. Its totient is φ = 81241681920.

The previous prime is 198394349287. The next prime is 198394349299. The reversal of 198394349296 is 692943493891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198394349299) 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, 41183880 + ... + 41188696.

Almost surely, 2^198394349296 is an apocalyptic number.

198394349296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198394349296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231249199104).

198394349296 is an abundant number, since it is smaller than the sum of its proper divisors (264104048912).

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

198394349296 is a wasteful number, since it uses less digits than its factorization.

198394349296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279 (or 5273 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 67.

The spelling of 198394349296 in words is "one hundred ninety-eight billion, three hundred ninety-four million, three hundred forty-nine thousand, two hundred ninety-six".