194661235328 has 192 divisors, whose sum is σ = 477045676800. Its totient is φ = 78762700800.

The previous prime is 194661235319. The next prime is 194661235343. The reversal of 194661235328 is 823532166491.

It is a super-3 number, since 3×194661235328³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7959503 + ... + 7983921.

It is an arithmetic number, because the mean of its divisors is an integer number (2484612900).

Almost surely, 2^194661235328 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 194661235328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238522838400).

194661235328 is an abundant number, since it is smaller than the sum of its proper divisors (282384441472).

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

194661235328 is a wasteful number, since it uses less digits than its factorization.

194661235328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24519 (or 24500 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The spelling of 194661235328 in words is "one hundred ninety-four billion, six hundred sixty-one million, two hundred thirty-five thousand, three hundred twenty-eight".