16140413622761 has 2 divisors, whose sum is σ = 16140413622762. Its totient is φ = 16140413622760.

The previous prime is 16140413622731. The next prime is 16140413622793. The reversal of 16140413622761 is 16722631404161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15822447329536 + 317966293225 = 3977744^2 + 563885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16140413622761 is a prime.

It is not a weakly prime, because it can be changed into another prime (16140413622731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8070206811380 + 8070206811381.

It is an arithmetic number, because the mean of its divisors is an integer number (8070206811381).

Almost surely, 2^{16140413622761} is an apocalyptic number.

It is an amenable number.

16140413622761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16140413622761 is an equidigital number, since it uses as much as digits as its factorization.

16140413622761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 16140413622761 in words is "sixteen trillion, one hundred forty billion, four hundred thirteen million, six hundred twenty-two thousand, seven hundred sixty-one".