194968568 has 16 divisors (see below), whose sum is σ = 371763000. Its totient is φ = 95831776.

The previous prime is 194968561. The next prime is 194968601. The reversal of 194968568 is 865869491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194968561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206063 + ... + 207006.

Almost surely, 2^194968568 is an apocalyptic number.

It is an amenable number.

194968568 is a deficient number, since it is larger than the sum of its proper divisors (176794432).

194968568 is a wasteful number, since it uses less digits than its factorization.

194968568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413134 (or 413130 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 56.

The square root of 194968568 is about 13963.1145522767. The cubic root of 194968568 is about 579.8578407043.

The spelling of 194968568 in words is "one hundred ninety-four million, nine hundred sixty-eight thousand, five hundred sixty-eight".