163628286 has 16 divisors (see below), whose sum is σ = 328688400. Its totient is φ = 54304128.

The previous prime is 163628273. The next prime is 163628303. The reversal of 163628286 is 682826361.

163628286 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58171 + ... + 60918.

It is an arithmetic number, because the mean of its divisors is an integer number (20543025).

Almost surely, 2^163628286 is an apocalyptic number.

163628286 is an abundant number, since it is smaller than the sum of its proper divisors (165060114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163628286 is a wasteful number, since it uses less digits than its factorization.

163628286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119323.

The product of its digits is 165888, while the sum is 42.

The square root of 163628286 is about 12791.7272484993. The cubic root of 163628286 is about 546.9565074312.

The spelling of 163628286 in words is "one hundred sixty-three million, six hundred twenty-eight thousand, two hundred eighty-six".