16146306149 has 2 divisors, whose sum is σ = 16146306150. Its totient is φ = 16146306148.

The previous prime is 16146306139. The next prime is 16146306233. The reversal of 16146306149 is 94160364161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8229755524 + 7916550625 = 90718^2 + 88975^2 .

It is a cyclic number.

It is not a de Polignac number, because 16146306149 - 2²⁸ = 15877870693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16146306109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8073153074 + 8073153075.

It is an arithmetic number, because the mean of its divisors is an integer number (8073153075).

Almost surely, 2^16146306149 is an apocalyptic number.

It is an amenable number.

16146306149 is a deficient number, since it is larger than the sum of its proper divisors (1).

16146306149 is an equidigital number, since it uses as much as digits as its factorization.

16146306149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 16146306149 in words is "sixteen billion, one hundred forty-six million, three hundred six thousand, one hundred forty-nine".