194828417646 has 48 divisors (see below), whose sum is σ = 409233142224. Its totient is φ = 61817472000.

The previous prime is 194828417629. The next prime is 194828417713. The reversal of 194828417646 is 646714828491.

It is a super-2 number, since 2×194828417646² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 194828417646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74766 + ... + 628686.

It is an arithmetic number, because the mean of its divisors is an integer number (8525690463).

Almost surely, 2^194828417646 is an apocalyptic number.

194828417646 is an abundant number, since it is smaller than the sum of its proper divisors (214404724578).

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

194828417646 is a wasteful number, since it uses less digits than its factorization.

194828417646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554049 (or 554018 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 60.

The spelling of 194828417646 in words is "one hundred ninety-four billion, eight hundred twenty-eight million, four hundred seventeen thousand, six hundred forty-six".