16180935829 has 2 divisors, whose sum is σ = 16180935830. Its totient is φ = 16180935828.

The previous prime is 16180935821. The next prime is 16180935839. The reversal of 16180935829 is 92853908161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10656432900 + 5524502929 = 103230^2 + 74327^2 .

It is a cyclic number.

It is not a de Polignac number, because 16180935829 - 2³ = 16180935821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16180935821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8090467914 + 8090467915.

It is an arithmetic number, because the mean of its divisors is an integer number (8090467915).

Almost surely, 2^16180935829 is an apocalyptic number.

It is an amenable number.

16180935829 is a deficient number, since it is larger than the sum of its proper divisors (1).

16180935829 is an equidigital number, since it uses as much as digits as its factorization.

16180935829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 16180935829 in words is "sixteen billion, one hundred eighty million, nine hundred thirty-five thousand, eight hundred twenty-nine".