194785152000000 has 784 divisors, whose sum is σ = 670219951074816. Its totient is φ = 50264064000000.

The previous prime is 194785151999993. The next prime is 194785152000007. The reversal of 194785152000000 is 251587491.

It is an interprime number because it is at equal distance from previous prime (194785151999993) and next prime (194785152000007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194785152000007) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 11903991819 + ... + 11904008181.

Almost surely, 2^{194785152000000} is an apocalyptic number.

194785152000000 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 194785152000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335109975537408).

194785152000000 is an abundant number, since it is smaller than the sum of its proper divisors (475434799074816).

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

194785152000000 is an frugal number, since it uses more digits than its factorization.

194785152000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16453 (or 16404 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 194785152000000 in words is "one hundred ninety-four trillion, seven hundred eighty-five billion, one hundred fifty-two million", and thus it is an aban number.