16432520157629 has 2 divisors, whose sum is σ = 16432520157630. Its totient is φ = 16432520157628.

The previous prime is 16432520157523. The next prime is 16432520157631. The reversal of 16432520157629 is 92675102523461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10433694595129 + 5998825562500 = 3230123^2 + 2449250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16432520157629 is a prime.

Together with 16432520157631, 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 (16432520157029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216260078814 + 8216260078815.

It is an arithmetic number, because the mean of its divisors is an integer number (8216260078815).

Almost surely, 2^{16432520157629} is an apocalyptic number.

It is an amenable number.

16432520157629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432520157629 is an equidigital number, since it uses as much as digits as its factorization.

16432520157629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 16432520157629 in words is "sixteen trillion, four hundred thirty-two billion, five hundred twenty million, one hundred fifty-seven thousand, six hundred twenty-nine".