16720101737 has 2 divisors, whose sum is σ = 16720101738. Its totient is φ = 16720101736.

The previous prime is 16720101659. The next prime is 16720101773. The reversal of 16720101737 is 73710102761.

Together with next prime (16720101773) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10659323536 + 6060778201 = 103244^2 + 77851^2 .

It is an emirp because it is prime and its reverse (73710102761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16720101737 - 2⁸ = 16720101481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16720101697 and 16720101706.

It is not a weakly prime, because it can be changed into another prime (16720106737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8360050868 + 8360050869.

It is an arithmetic number, because the mean of its divisors is an integer number (8360050869).

Almost surely, 2^16720101737 is an apocalyptic number.

It is an amenable number.

16720101737 is a deficient number, since it is larger than the sum of its proper divisors (1).

16720101737 is an equidigital number, since it uses as much as digits as its factorization.

16720101737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The spelling of 16720101737 in words is "sixteen billion, seven hundred twenty million, one hundred one thousand, seven hundred thirty-seven".