163132227625 has 16 divisors (see below), whose sum is σ = 209091431952. Its totient is φ = 126978595200.

The previous prime is 163132227607. The next prime is 163132227683. The reversal of 163132227625 is 526722231361.

It can be written as a sum of positive squares in 8 ways, for example, as 5218184169 + 157914043456 = 72237^2 + 397384^2 .

It is not a de Polignac number, because 163132227625 - 2¹¹ = 163132225577 is a prime.

It is a super-2 number, since 2×163132227625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17631292 + ... + 17640541.

It is an arithmetic number, because the mean of its divisors is an integer number (13068214497).

Almost surely, 2^163132227625 is an apocalyptic number.

It is an amenable number.

163132227625 is a deficient number, since it is larger than the sum of its proper divisors (45959204327).

163132227625 is an equidigital number, since it uses as much as digits as its factorization.

163132227625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35271885 (or 35271875 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

Adding to 163132227625 its reverse (526722231361), we get a palindrome (689854458986).

The spelling of 163132227625 in words is "one hundred sixty-three billion, one hundred thirty-two million, two hundred twenty-seven thousand, six hundred twenty-five".