16249042157 has 2 divisors, whose sum is σ = 16249042158. Its totient is φ = 16249042156.

The previous prime is 16249042111. The next prime is 16249042163. The reversal of 16249042157 is 75124094261.

16249042157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13433041801 + 2816000356 = 115901^2 + 53066^2 .

It is a cyclic number.

It is not a de Polignac number, because 16249042157 - 2⁸ = 16249041901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16249048157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124521078 + 8124521079.

It is an arithmetic number, because the mean of its divisors is an integer number (8124521079).

Almost surely, 2^16249042157 is an apocalyptic number.

It is an amenable number.

16249042157 is a deficient number, since it is larger than the sum of its proper divisors (1).

16249042157 is an equidigital number, since it uses as much as digits as its factorization.

16249042157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 16249042157 in words is "sixteen billion, two hundred forty-nine million, forty-two thousand, one hundred fifty-seven".