198278092320 has 1152 divisors, whose sum is σ = 825297984000. Its totient is φ = 39938088960.

The previous prime is 198278092301. The next prime is 198278092351. The reversal of 198278092320 is 23290872891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 737093146 + ... + 737093414.

It is an arithmetic number, because the mean of its divisors is an integer number (716404500).

Almost surely, 2^198278092320 is an apocalyptic number.

198278092320 is a gapful number since it is divisible by the number (10) 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 198278092320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412648992000).

198278092320 is an abundant number, since it is smaller than the sum of its proper divisors (627019891680).

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

198278092320 is a wasteful number, since it uses less digits than its factorization.

198278092320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 198278092320 in words is "one hundred ninety-eight billion, two hundred seventy-eight million, ninety-two thousand, three hundred twenty".