16073818 has 4 divisors (see below), whose sum is σ = 24110730. Its totient is φ = 8036908.

The previous prime is 16073809. The next prime is 16073819. The reversal of 16073818 is 81837061.

16073818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81837061 = 1999 ⋅40939.

It can be written as a sum of positive squares in only one way, i.e., 15705369 + 368449 = 3963^2 + 607^2 .

It is not an unprimeable number, because it can be changed into a prime (16073819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4018453 + ... + 4018456.

Almost surely, 2^16073818 is an apocalyptic number.

16073818 is a deficient number, since it is larger than the sum of its proper divisors (8036912).

16073818 is an equidigital number, since it uses as much as digits as its factorization.

16073818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036911.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 16073818 is about 4009.2166317125. The cubic root of 16073818 is about 252.3711357611.

The spelling of 16073818 in words is "sixteen million, seventy-three thousand, eight hundred eighteen".