201345656 has 16 divisors (see below), whose sum is σ = 377771040. Its totient is φ = 100606720.

The previous prime is 201345647. The next prime is 201345691. The reversal of 201345656 is 656543102.

It is a congruent number.

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, 6161 + ... + 20991.

It is an arithmetic number, because the mean of its divisors is an integer number (23610690).

Almost surely, 2^201345656 is an apocalyptic number.

It is an amenable number.

201345656 is a deficient number, since it is larger than the sum of its proper divisors (176425384).

201345656 is a wasteful number, since it uses less digits than its factorization.

201345656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16534 (or 16530 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 201345656 is about 14189.6319895901. The cubic root of 201345656 is about 586.1121910476.

Adding to 201345656 its reverse (656543102), we get a palindrome (857888758).

The spelling of 201345656 in words is "two hundred one million, three hundred forty-five thousand, six hundred fifty-six".