194164064 has 24 divisors (see below), whose sum is σ = 385978320. Its totient is φ = 96137856.

The previous prime is 194164063. The next prime is 194164079. The reversal of 194164064 is 460461491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194164063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26159 + ... + 32750.

It is an arithmetic number, because the mean of its divisors is an integer number (16082430).

Almost surely, 2^194164064 is an apocalyptic number.

It is an amenable number.

194164064 is a deficient number, since it is larger than the sum of its proper divisors (191814256).

194164064 is a wasteful number, since it uses less digits than its factorization.

194164064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59022 (or 59014 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 194164064 is about 13934.2765868918. The cubic root of 194164064 is about 579.0591802279.

The spelling of 194164064 in words is "one hundred ninety-four million, one hundred sixty-four thousand, sixty-four".