16040636 has 12 divisors (see below), whose sum is σ = 29548680. Its totient is φ = 7598160.

The previous prime is 16040611. The next prime is 16040641. The reversal of 16040636 is 63604061.

It is a super-3 number, since 3×16040636³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105455 + ... + 105606.

It is an arithmetic number, because the mean of its divisors is an integer number (2462390).

Almost surely, 2^16040636 is an apocalyptic number.

It is an amenable number.

16040636 is a deficient number, since it is larger than the sum of its proper divisors (13508044).

16040636 is a wasteful number, since it uses less digits than its factorization.

16040636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211084 (or 211082 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 16040636 is about 4005.0762789240. The cubic root of 16040636 is about 252.1973552679.

Adding to 16040636 its reverse (63604061), we get a palindrome (79644697).

The spelling of 16040636 in words is "sixteen million, forty thousand, six hundred thirty-six".