194663665004 has 24 divisors (see below), whose sum is σ = 345496468800. Its totient is φ = 95951689344.

The previous prime is 194663664941. The next prime is 194663665037. The reversal of 194663665004 is 400566366491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440822 + ... + 763970.

It is an arithmetic number, because the mean of its divisors is an integer number (14395686200).

Almost surely, 2^194663665004 is an apocalyptic number.

It is an amenable number.

194663665004 is a deficient number, since it is larger than the sum of its proper divisors (150832803796).

194663665004 is a wasteful number, since it uses less digits than its factorization.

194663665004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325289 (or 325287 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 194663665004 in words is "one hundred ninety-four billion, six hundred sixty-three million, six hundred sixty-five thousand, four".