16018073 has 4 divisors (see below), whose sum is σ = 16042548. Its totient is φ = 15993600.

The previous prime is 16018043. The next prime is 16018091. The reversal of 16018073 is 37081061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8684809 + 7333264 = 2947^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 16018073 - 2²² = 11823769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16018043) 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 in 3 ways as a sum of consecutive naturals, for example, 11228 + ... + 12573.

It is an arithmetic number, because the mean of its divisors is an integer number (4010637).

Almost surely, 2^16018073 is an apocalyptic number.

It is an amenable number.

16018073 is a deficient number, since it is larger than the sum of its proper divisors (24475).

16018073 is an equidigital number, since it uses as much as digits as its factorization.

16018073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24474.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 16018073 is about 4002.2584874043. The cubic root of 16018073 is about 252.0790515828.

The spelling of 16018073 in words is "sixteen million, eighteen thousand, seventy-three".