194109696000 has 1920 divisors, whose sum is σ = 845940775680. Its totient is φ = 43794432000.

The previous prime is 194109695993. The next prime is 194109696017. The reversal of 194109696000 is 696901491.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5246207982 + ... + 5246208018.

It is an arithmetic number, because the mean of its divisors is an integer number (440594154).

Almost surely, 2^194109696000 is an apocalyptic number.

194109696000 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 194109696000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422970387840).

194109696000 is an abundant number, since it is smaller than the sum of its proper divisors (651831079680).

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

194109696000 is a wasteful number, since it uses less digits than its factorization.

194109696000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 194109696000 in words is "one hundred ninety-four billion, one hundred nine million, six hundred ninety-six thousand".