2040320166737 has 2 divisors, whose sum is σ = 2040320166738. Its totient is φ = 2040320166736.

The previous prime is 2040320166683. The next prime is 2040320166739. The reversal of 2040320166737 is 7376610230402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974204844096 + 66115322641 = 1405064^2 + 257129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040320166737 - 2¹⁰ = 2040320165713 is a prime.

Together with 2040320166739, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040320166694 and 2040320166703.

It is not a weakly prime, because it can be changed into another prime (2040320166739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020160083368 + 1020160083369.

It is an arithmetic number, because the mean of its divisors is an integer number (1020160083369).

Almost surely, 2^{2040320166737} is an apocalyptic number.

It is an amenable number.

2040320166737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040320166737 is an equidigital number, since it uses as much as digits as its factorization.

2040320166737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 2040320166737 in words is "two trillion, forty billion, three hundred twenty million, one hundred sixty-six thousand, seven hundred thirty-seven".