16140413627761 has 2 divisors, whose sum is σ = 16140413627762. Its totient is φ = 16140413627760.

The previous prime is 16140413627753. The next prime is 16140413627797. The reversal of 16140413627761 is 16772631404161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14816579291361 + 1323834336400 = 3849231^2 + 1150580^2 .

It is an emirp because it is prime and its reverse (16772631404161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16140413627761 - 2³ = 16140413627753 is a prime.

It is not a weakly prime, because it can be changed into another prime (16140413622761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8070206813880 + 8070206813881.

It is an arithmetic number, because the mean of its divisors is an integer number (8070206813881).

Almost surely, 2^{16140413627761} is an apocalyptic number.

It is an amenable number.

16140413627761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16140413627761 is an equidigital number, since it uses as much as digits as its factorization.

16140413627761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 16140413627761 in words is "sixteen trillion, one hundred forty billion, four hundred thirteen million, six hundred twenty-seven thousand, seven hundred sixty-one".