199535564 has 6 divisors (see below), whose sum is σ = 349187244. Its totient is φ = 99767780.

The previous prime is 199535563. The next prime is 199535591. The reversal of 199535564 is 465535991.

It is not an unprimeable number, because it can be changed into a prime (199535563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24941942 + ... + 24941949.

It is an arithmetic number, because the mean of its divisors is an integer number (58197874).

Almost surely, 2^199535564 is an apocalyptic number.

It is an amenable number.

199535564 is a deficient number, since it is larger than the sum of its proper divisors (149651680).

199535564 is a wasteful number, since it uses less digits than its factorization.

199535564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49883895 (or 49883893 counting only the distinct ones).

The product of its digits is 729000, while the sum is 47.

The square root of 199535564 is about 14125.7057876766. The cubic root of 199535564 is about 584.3505237596.

The spelling of 199535564 in words is "one hundred ninety-nine million, five hundred thirty-five thousand, five hundred sixty-four".