16238306132 has 24 divisors (see below), whose sum is σ = 28477351560. Its totient is φ = 8101941120.

The previous prime is 16238306131. The next prime is 16238306171. The reversal of 16238306132 is 23160383261.

It can be written as a sum of positive squares in 4 ways, for example, as 9869627716 + 6368678416 = 99346^2 + 79804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16238306092 and 16238306101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16238306131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6662018 + ... + 6664454.

It is an arithmetic number, because the mean of its divisors is an integer number (1186556315).

Almost surely, 2^16238306132 is an apocalyptic number.

It is an amenable number.

16238306132 is a deficient number, since it is larger than the sum of its proper divisors (12239045428).

16238306132 is a wasteful number, since it uses less digits than its factorization.

16238306132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 16238306132 its reverse (23160383261), we get a palindrome (39398689393).

The spelling of 16238306132 in words is "sixteen billion, two hundred thirty-eight million, three hundred six thousand, one hundred thirty-two".