194514632164 has 6 divisors (see below), whose sum is σ = 340400606294. Its totient is φ = 97257316080.

The previous prime is 194514632153. The next prime is 194514632167. The reversal of 194514632164 is 461236415491.

It can be written as a sum of positive squares in only one way, i.e., 97370209764 + 97144422400 = 312042^2 + 311680^2 .

It is not an unprimeable number, because it can be changed into a prime (194514632167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24314329017 + ... + 24314329024.

Almost surely, 2^194514632164 is an apocalyptic number.

It is an amenable number.

194514632164 is a deficient number, since it is larger than the sum of its proper divisors (145885974130).

194514632164 is a wasteful number, since it uses less digits than its factorization.

194514632164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48628658045 (or 48628658043 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 194514632164 in words is "one hundred ninety-four billion, five hundred fourteen million, six hundred thirty-two thousand, one hundred sixty-four".