16042837 has 4 divisors (see below), whose sum is σ = 16160076. Its totient is φ = 15925600.

The previous prime is 16042811. The next prime is 16042847. The reversal of 16042837 is 73824061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73824061 = 1931 ⋅38231.

It can be written as a sum of positive squares in 2 ways, for example, as 4813636 + 11229201 = 2194^2 + 3351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16042837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16042799 and 16042808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58414 + ... + 58687.

It is an arithmetic number, because the mean of its divisors is an integer number (4040019).

Almost surely, 2^16042837 is an apocalyptic number.

It is an amenable number.

16042837 is a deficient number, since it is larger than the sum of its proper divisors (117239).

16042837 is a wasteful number, since it uses less digits than its factorization.

16042837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117238.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 16042837 is about 4005.3510457886. The cubic root of 16042837 is about 252.2088897439.

Adding to 16042837 its reverse (73824061), we get a palindrome (89866898).

The spelling of 16042837 in words is "sixteen million, forty-two thousand, eight hundred thirty-seven".