163243625 has 32 divisors (see below), whose sum is σ = 210462720. Its totient is φ = 126360000.

The previous prime is 163243607. The next prime is 163243631. The reversal of 163243625 is 526342361.

It is not a de Polignac number, because 163243625 - 2⁸ = 163243369 is a prime.

It is a super-2 number, since 2×163243625² = 53296962206281250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163243591 and 163243600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602240 + ... + 602510.

It is an arithmetic number, because the mean of its divisors is an integer number (6576960).

Almost surely, 2^163243625 is an apocalyptic number.

It is an amenable number.

163243625 is a deficient number, since it is larger than the sum of its proper divisors (47219095).

163243625 is an equidigital number, since it uses as much as digits as its factorization.

163243625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 416 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 163243625 is about 12776.6828637170. The cubic root of 163243625 is about 546.5275719798.

Adding to 163243625 its reverse (526342361), we get a palindrome (689585986).

The spelling of 163243625 in words is "one hundred sixty-three million, two hundred forty-three thousand, six hundred twenty-five".