163123625 has 32 divisors (see below), whose sum is σ = 238387968. Its totient is φ = 109104000.

The previous prime is 163123549. The next prime is 163123633. The reversal of 163123625 is 526321361.

It is not a de Polignac number, because 163123625 - 2⁸ = 163123369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33602 + ... + 38148.

It is an arithmetic number, because the mean of its divisors is an integer number (7449624).

Almost surely, 2^163123625 is an apocalyptic number.

It is an amenable number.

163123625 is a deficient number, since it is larger than the sum of its proper divisors (75264343).

163123625 is an equidigital number, since it uses as much as digits as its factorization.

163123625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610 (or 4600 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 163123625 is about 12771.9859458112. The cubic root of 163123625 is about 546.3936221135.

Adding to 163123625 its reverse (526321361), we get a palindrome (689444986).

The spelling of 163123625 in words is "one hundred sixty-three million, one hundred twenty-three thousand, six hundred twenty-five".