163986050 has 18 divisors (see below), whose sum is σ = 305182569. Its totient is φ = 65558200.

The previous prime is 163986041. The next prime is 163986059. The reversal of 163986050 is 50689361.

It is an interprime number because it is at equal distance from previous prime (163986041) and next prime (163986059).

It can be written as a sum of positive squares in 2 ways, for example, as 160706329 + 3279721 = 12677^2 + 1811^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9055.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163985995 and 163986013.

It is not an unprimeable number, because it can be changed into a prime (163986059) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 89645 + ... + 91455.

Almost surely, 2^163986050 is an apocalyptic number.

163986050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163986050 is a deficient number, since it is larger than the sum of its proper divisors (141196519).

163986050 is an frugal number, since it uses more digits than its factorization.

163986050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 163986050 is about 12805.7038072884. The cubic root of 163986050 is about 547.3548470873.

The spelling of 163986050 in words is "one hundred sixty-three million, nine hundred eighty-six thousand, fifty".