16040606 has 4 divisors (see below), whose sum is σ = 24060912. Its totient is φ = 8020302.

The previous prime is 16040603. The next prime is 16040611. The reversal of 16040606 is 60604061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60604061 = 7 ⋅8657723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16040603) by changing a digit.

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 as a sum of consecutive naturals, namely, 4010150 + ... + 4010153.

It is an arithmetic number, because the mean of its divisors is an integer number (6015228).

Almost surely, 2^16040606 is an apocalyptic number.

16040606 is a deficient number, since it is larger than the sum of its proper divisors (8020306).

16040606 is an equidigital number, since it uses as much as digits as its factorization.

16040606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020305.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16040606 is about 4005.0725336753. The cubic root of 16040606 is about 252.1971980437.

Adding to 16040606 its reverse (60604061), we get a palindrome (76644667).

The spelling of 16040606 in words is "sixteen million, forty thousand, six hundred six".