201164656443 has 8 divisors (see below), whose sum is σ = 282336360000. Its totient is φ = 127051361928.

The previous prime is 201164656393. The next prime is 201164656489. The reversal of 201164656443 is 344656461102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201164656443 - 2⁶ = 201164656379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201164656395 and 201164656404.

It is not an unprimeable number, because it can be changed into a prime (201164656843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764602193 + ... + 1764602306.

It is an arithmetic number, because the mean of its divisors is an integer number (35292045000).

Almost surely, 2^201164656443 is an apocalyptic number.

201164656443 is a deficient number, since it is larger than the sum of its proper divisors (81171703557).

201164656443 is a wasteful number, since it uses less digits than its factorization.

201164656443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529204521.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 201164656443 in words is "two hundred one billion, one hundred sixty-four million, six hundred fifty-six thousand, four hundred forty-three".