194503664 has 20 divisors (see below), whose sum is σ = 399019104. Its totient is φ = 91531008.

The previous prime is 194503651. The next prime is 194503711. The reversal of 194503664 is 466305491.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 357272 + ... + 357815.

Almost surely, 2^194503664 is an apocalyptic number.

It is an amenable number.

194503664 is an abundant number, since it is smaller than the sum of its proper divisors (204515440).

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

194503664 is a wasteful number, since it uses less digits than its factorization.

194503664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715112 (or 715106 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 194503664 is about 13946.4570411270. The cubic root of 194503664 is about 579.3965821074.

The spelling of 194503664 in words is "one hundred ninety-four million, five hundred three thousand, six hundred sixty-four".