201163600194 has 16 divisors (see below), whose sum is σ = 407419950720. Its totient is φ = 66205741680.

The previous prime is 201163600181. The next prime is 201163600199. The reversal of 201163600194 is 491006361102.

It is a super-2 number, since 2×201163600194² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201163600199) 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, 212197417 + ... + 212198364.

It is an arithmetic number, because the mean of its divisors is an integer number (25463746920).

Almost surely, 2^201163600194 is an apocalyptic number.

201163600194 is an abundant number, since it is smaller than the sum of its proper divisors (206256350526).

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

201163600194 is a wasteful number, since it uses less digits than its factorization.

201163600194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424395865.

The product of its (nonzero) digits is 7776, while the sum is 33.

Adding to 201163600194 its reverse (491006361102), we get a palindrome (692169961296).

The spelling of 201163600194 in words is "two hundred one billion, one hundred sixty-three million, six hundred thousand, one hundred ninety-four".