163231016 has 48 divisors (see below), whose sum is σ = 333956700. Its totient is φ = 74760192.

The previous prime is 163231009. The next prime is 163231051. The reversal of 163231016 is 610132361.

It is a happy number.

163231016 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 8726116 + 154504900 = 2954^2 + 12430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163230982 and 163231000.

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, 211880 + ... + 212648.

Almost surely, 2^163231016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163231016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166978350).

163231016 is an abundant number, since it is smaller than the sum of its proper divisors (170725684).

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

163231016 is a wasteful number, since it uses less digits than its factorization.

163231016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 163231016 is about 12776.1894162540. The cubic root of 163231016 is about 546.5135002847.

Adding to 163231016 its reverse (610132361), we get a palindrome (773363377).

The spelling of 163231016 in words is "one hundred sixty-three million, two hundred thirty-one thousand, sixteen".