194189414560 has 24 divisors (see below), whose sum is σ = 458772492276. Its totient is φ = 77675765760.

The previous prime is 194189414543. The next prime is 194189414581. The reversal of 194189414560 is 65414981491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 193272778384 + 916636176 = 439628^2 + 30276^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 194189414498 and 194189414507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606841761 + ... + 606842080.

Almost surely, 2^194189414560 is an apocalyptic number.

194189414560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194189414560 is an abundant number, since it is smaller than the sum of its proper divisors (264583077716).

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

194189414560 is a wasteful number, since it uses less digits than its factorization.

194189414560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213683856 (or 1213683848 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 194189414560 in words is "one hundred ninety-four billion, one hundred eighty-nine million, four hundred fourteen thousand, five hundred sixty".