194955664 has 20 divisors (see below), whose sum is σ = 387936604. Its totient is φ = 94843008.

The previous prime is 194955617. The next prime is 194955703. The reversal of 194955664 is 466559491.

194955664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 90098064 + 104857600 = 9492^2 + 10240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164067 + ... + 165250.

Almost surely, 2^194955664 is an apocalyptic number.

It is an amenable number.

194955664 is a deficient number, since it is larger than the sum of its proper divisors (192980940).

194955664 is a wasteful number, since it uses less digits than its factorization.

194955664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329362 (or 329356 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 194955664 is about 13962.6524700717. The cubic root of 194955664 is about 579.8450477864.

The spelling of 194955664 in words is "one hundred ninety-four million, nine hundred fifty-five thousand, six hundred sixty-four".