16318532 has 12 divisors (see below), whose sum is σ = 29542380. Its totient is φ = 7877856.

The previous prime is 16318507. The next prime is 16318553. The reversal of 16318532 is 23581361.

It can be written as a sum of positive squares in 2 ways, for example, as 5924356 + 10394176 = 2434^2 + 3224^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 16318495 and 16318504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70223 + ... + 70454.

It is an arithmetic number, because the mean of its divisors is an integer number (2461865).

Almost surely, 2^16318532 is an apocalyptic number.

It is an amenable number.

16318532 is a deficient number, since it is larger than the sum of its proper divisors (13223848).

16318532 is a wasteful number, since it uses less digits than its factorization.

16318532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140710 (or 140708 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 16318532 is about 4039.6202791847. The cubic root of 16318532 is about 253.6454225412.

Adding to 16318532 its reverse (23581361), we get a palindrome (39899893).

The spelling of 16318532 in words is "sixteen million, three hundred eighteen thousand, five hundred thirty-two".