201633623325 has 96 divisors (see below), whose sum is σ = 386924878080. Its totient is φ = 102752812800.

The previous prime is 201633623251. The next prime is 201633623351. The reversal of 201633623325 is 523326336102.

201633623325 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 3 + 3 + 623 + 3 + 25 = 666.

It is not a de Polignac number, because 201633623325 - 2⁷ = 201633623197 is a prime.

It is a super-2 number, since 2×201633623325² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201633623325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15720415 + ... + 15733235.

It is an arithmetic number, because the mean of its divisors is an integer number (4030467480).

Almost surely, 2^201633623325 is an apocalyptic number.

201633623325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201633623325 is a deficient number, since it is larger than the sum of its proper divisors (185291254755).

201633623325 is a wasteful number, since it uses less digits than its factorization.

201633623325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13876 (or 13865 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 201633623325 its reverse (523326336102), we get a palindrome (724959959427).

The spelling of 201633623325 in words is "two hundred one billion, six hundred thirty-three million, six hundred twenty-three thousand, three hundred twenty-five".