163628285 has 16 divisors (see below), whose sum is σ = 207005760. Its totient is φ = 123822720.

The previous prime is 163628273. The next prime is 163628303. The reversal of 163628285 is 582826361.

163628285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163628285 - 2¹² = 163624189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109745 + ... + 111225.

It is an arithmetic number, because the mean of its divisors is an integer number (12937860).

Almost surely, 2^163628285 is an apocalyptic number.

It is an amenable number.

163628285 is a deficient number, since it is larger than the sum of its proper divisors (43377475).

163628285 is a wasteful number, since it uses less digits than its factorization.

163628285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668.

The product of its digits is 138240, while the sum is 41.

The square root of 163628285 is about 12791.7272094116. The cubic root of 163628285 is about 546.9565063170.

The spelling of 163628285 in words is "one hundred sixty-three million, six hundred twenty-eight thousand, two hundred eighty-five".