193664214 has 24 divisors (see below), whose sum is σ = 420343560. Its totient is φ = 64441248.

The previous prime is 193664183. The next prime is 193664227. The reversal of 193664214 is 412466391.

193664214 is a `hidden beast` number, since 1 + 9 + 3 + 6 + 642 + 1 + 4 = 666.

193664214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402 + ... + 19730.

It is an arithmetic number, because the mean of its divisors is an integer number (17514315).

Almost surely, 2^193664214 is an apocalyptic number.

193664214 is an abundant number, since it is smaller than the sum of its proper divisors (226679346).

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

193664214 is a wasteful number, since it uses less digits than its factorization.

193664214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18924 (or 18921 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 193664214 is about 13916.3290418127. The cubic root of 193664214 is about 578.5618491588.

The spelling of 193664214 in words is "one hundred ninety-three million, six hundred sixty-four thousand, two hundred fourteen".