16042437 has 6 divisors (see below), whose sum is σ = 23172422. Its totient is φ = 10694952.

The previous prime is 16042427. The next prime is 16042447. The reversal of 16042437 is 73424061.

16042437 is a `hidden beast` number, since 1 + 604 + 24 + 37 = 666.

It is an interprime number because it is at equal distance from previous prime (16042427) and next prime (16042447).

It can be written as a sum of positive squares in only one way, i.e., 15634116 + 408321 = 3954^2 + 639^2 .

It is not a de Polignac number, because 16042437 - 2⁷ = 16042309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16042437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042427) 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 5 ways as a sum of consecutive naturals, for example, 891238 + ... + 891255.

Almost surely, 2^16042437 is an apocalyptic number.

It is an amenable number.

16042437 is a deficient number, since it is larger than the sum of its proper divisors (7129985).

16042437 is a wasteful number, since it uses less digits than its factorization.

16042437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782499 (or 1782496 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 16042437 is about 4005.3011122761. The cubic root of 16042437 is about 252.2067935977.

Adding to 16042437 its reverse (73424061), we get a palindrome (89466498).

It can be divided in two parts, 160424 and 37, that added together give a triangular number (160461 = T₅₆₆).

The spelling of 16042437 in words is "sixteen million, forty-two thousand, four hundred thirty-seven".