16041906 has 24 divisors (see below), whose sum is σ = 35606844. Its totient is φ = 5216640.

The previous prime is 16041889. The next prime is 16041929. The reversal of 16041906 is 60914061.

It can be written as a sum of positive squares in 2 ways, for example, as 11594025 + 4447881 = 3405^2 + 2109^2 .

It is a super-2 number, since 2×16041906² = 514685496225672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16041906.

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, 10131 + ... + 11606.

Almost surely, 2^16041906 is an apocalyptic number.

16041906 is an abundant number, since it is smaller than the sum of its proper divisors (19564938).

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

16041906 is a wasteful number, since it uses less digits than its factorization.

16041906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21786 (or 21783 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 16041906 is about 4005.2348245765. The cubic root of 16041906 is about 252.2040109098.

Adding to 16041906 its reverse (60914061), we get a palindrome (76955967).

The spelling of 16041906 in words is "sixteen million, forty-one thousand, nine hundred six".