194208617604 has 12 divisors (see below), whose sum is σ = 453153441104. Its totient is φ = 64736205864.

The previous prime is 194208617599. The next prime is 194208617651. The reversal of 194208617604 is 406716802491.

194208617604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 8092025722 + ... + 8092025745.

Almost surely, 2^194208617604 is an apocalyptic number.

It is an amenable number.

194208617604 is an abundant number, since it is smaller than the sum of its proper divisors (258944823500).

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

194208617604 is a wasteful number, since it uses less digits than its factorization.

194208617604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16184051474 (or 16184051472 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 194208617604 in words is "one hundred ninety-four billion, two hundred eight million, six hundred seventeen thousand, six hundred four".