16355445042037 has 4 divisors (see below), whose sum is σ = 16355483937100. Its totient is φ = 16355406146976.

The previous prime is 16355445041981. The next prime is 16355445042133. The reversal of 16355445042037 is 73024054455361.

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 3890831205361 + 12464613836676 = 1972519^2 + 3530526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16355445042037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16355445042137) 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, 18809808 + ... + 19660105.

It is an arithmetic number, because the mean of its divisors is an integer number (4088870984275).

Almost surely, 2^{16355445042037} is an apocalyptic number.

It is an amenable number.

16355445042037 is a deficient number, since it is larger than the sum of its proper divisors (38895063).

16355445042037 is an equidigital number, since it uses as much as digits as its factorization.

16355445042037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38895062.

The product of its (nonzero) digits is 6048000, while the sum is 49.

Adding to 16355445042037 its reverse (73024054455361), we get a palindrome (89379499497398).

The spelling of 16355445042037 in words is "sixteen trillion, three hundred fifty-five billion, four hundred forty-five million, forty-two thousand, thirty-seven".