16042432837 has 2 divisors, whose sum is σ = 16042432838. Its totient is φ = 16042432836.

The previous prime is 16042432759. The next prime is 16042432841. The reversal of 16042432837 is 73823424061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14774645601 + 1267787236 = 121551^2 + 35606^2 .

It is an emirp because it is prime and its reverse (73823424061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16042432837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16042432837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16042432877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021216418 + 8021216419.

It is an arithmetic number, because the mean of its divisors is an integer number (8021216419).

Almost surely, 2^16042432837 is an apocalyptic number.

It is an amenable number.

16042432837 is a deficient number, since it is larger than the sum of its proper divisors (1).

16042432837 is an equidigital number, since it uses as much as digits as its factorization.

16042432837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 16042432837 its reverse (73823424061), we get a palindrome (89865856898).

The spelling of 16042432837 in words is "sixteen billion, forty-two million, four hundred thirty-two thousand, eight hundred thirty-seven".