194140603856 has 20 divisors (see below), whose sum is σ = 376166756004. Its totient is φ = 97065312000.

The previous prime is 194140603847. The next prime is 194140603901. The reversal of 194140603856 is 658306041491.

194140603856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 79140942400 + 114999661456 = 281320^2 + 339116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194140603856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19796 + ... + 623436.

Almost surely, 2^194140603856 is an apocalyptic number.

194140603856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194140603856 is a deficient number, since it is larger than the sum of its proper divisors (182026152148).

194140603856 is a wasteful number, since it uses less digits than its factorization.

194140603856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623750 (or 623744 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 194140603856 in words is "one hundred ninety-four billion, one hundred forty million, six hundred three thousand, eight hundred fifty-six".