16731472037 has 6 divisors (see below), whose sum is σ = 19463140998. Its totient is φ = 14341261704.

The previous prime is 16731472027. The next prime is 16731472081. The reversal of 16731472037 is 73027413761.

It can be written as a sum of positive squares in only one way, i.e., 15916597921 + 814874116 = 126161^2 + 28546^2 .

It is not a de Polignac number, because 16731472037 - 2²⁸ = 16463036581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16731471985 and 16731472003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16731472027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170729258 + ... + 170729355.

It is an arithmetic number, because the mean of its divisors is an integer number (3243856833).

Almost surely, 2^16731472037 is an apocalyptic number.

It is an amenable number.

16731472037 is a deficient number, since it is larger than the sum of its proper divisors (2731668961).

16731472037 is an equidigital number, since it uses as much as digits as its factorization.

16731472037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341458627 (or 341458620 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

Adding to 16731472037 its reverse (73027413761), we get a palindrome (89758885798).

The spelling of 16731472037 in words is "sixteen billion, seven hundred thirty-one million, four hundred seventy-two thousand, thirty-seven".