163113028 has 24 divisors (see below), whose sum is σ = 325489752. Its totient is φ = 70854144.

The previous prime is 163112981. The next prime is 163113031. The reversal of 163113028 is 820311361.

It can be written as a sum of positive squares in 4 ways, for example, as 21455424 + 141657604 = 4632^2 + 11902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163112993 and 163113011.

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, 91375 + ... + 93142.

It is an arithmetic number, because the mean of its divisors is an integer number (13562073).

Almost surely, 2^163113028 is an apocalyptic number.

It is an amenable number.

163113028 is a deficient number, since it is larger than the sum of its proper divisors (162376724).

163113028 is a wasteful number, since it uses less digits than its factorization.

163113028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184551 (or 184549 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 163113028 is about 12771.5710858140. The cubic root of 163113028 is about 546.3817900677.

Adding to 163113028 its reverse (820311361), we get a palindrome (983424389).

The spelling of 163113028 in words is "one hundred sixty-three million, one hundred thirteen thousand, twenty-eight".