194419078416 has 60 divisors (see below), whose sum is σ = 564255381872. Its totient is φ = 64806358176.

The previous prime is 194419078369. The next prime is 194419078417. The reversal of 194419078416 is 614870914491.

It is a happy number.

194419078416 is a `hidden beast` number, since 1 + 9 + 441 + 90 + 78 + 41 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (194419078417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24998566 + ... + 25006341.

Almost surely, 2^194419078416 is an apocalyptic number.

194419078416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194419078416 is an abundant number, since it is smaller than the sum of its proper divisors (369836303456).

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

194419078416 is an equidigital number, since it uses as much as digits as its factorization.

194419078416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50004930 (or 50004912 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 194419078416 in words is "one hundred ninety-four billion, four hundred nineteen million, seventy-eight thousand, four hundred sixteen".