16545651600629 has 2 divisors, whose sum is σ = 16545651600630. Its totient is φ = 16545651600628.

The previous prime is 16545651600619. The next prime is 16545651600631. The reversal of 16545651600629 is 92600615654561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9283435078129 + 7262216522500 = 3046873^2 + 2694850^2 .

It is a cyclic number.

It is not a de Polignac number, because 16545651600629 - 2⁴ = 16545651600613 is a prime.

Together with 16545651600631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545651600619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272825800314 + 8272825800315.

It is an arithmetic number, because the mean of its divisors is an integer number (8272825800315).

Almost surely, 2^{16545651600629} is an apocalyptic number.

It is an amenable number.

16545651600629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545651600629 is an equidigital number, since it uses as much as digits as its factorization.

16545651600629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 16545651600629 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-one million, six hundred thousand, six hundred twenty-nine".