163065625 has 12 divisors (see below), whose sum is σ = 203822892. Its totient is φ = 130450000.

The previous prime is 163065601. The next prime is 163065691. The reversal of 163065625 is 526560361.

163065625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 156850576 + 6215049 = 12524^2 + 2493^2 .

It is not a de Polignac number, because 163065625 - 2⁵ = 163065593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22966 + ... + 29215.

It is an arithmetic number, because the mean of its divisors is an integer number (16985241).

Almost surely, 2^163065625 is an apocalyptic number.

It is an amenable number.

163065625 is a deficient number, since it is larger than the sum of its proper divisors (40757267).

163065625 is an frugal number, since it uses more digits than its factorization.

163065625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52206 (or 52186 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 163065625 is about 12769.7151495247. The cubic root of 163065625 is about 546.3288561284.

The spelling of 163065625 in words is "one hundred sixty-three million, sixty-five thousand, six hundred twenty-five".