194563064 has 8 divisors (see below), whose sum is σ = 364805760. Its totient is φ = 97281528.

The previous prime is 194563063. The next prime is 194563073. The reversal of 194563064 is 460365491.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194563063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12160184 + ... + 12160199.

It is an arithmetic number, because the mean of its divisors is an integer number (45600720).

Almost surely, 2^194563064 is an apocalyptic number.

It is an amenable number.

194563064 is a deficient number, since it is larger than the sum of its proper divisors (170242696).

194563064 is a wasteful number, since it uses less digits than its factorization.

194563064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24320389 (or 24320385 counting only the distinct ones).

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

The square root of 194563064 is about 13948.5864516803. The cubic root of 194563064 is about 579.4555572674.

The spelling of 194563064 in words is "one hundred ninety-four million, five hundred sixty-three thousand, sixty-four".