16189015875997 has 2 divisors, whose sum is σ = 16189015875998. Its totient is φ = 16189015875996.

The previous prime is 16189015875871. The next prime is 16189015876079. The reversal of 16189015875997 is 79957851098161.

16189015875997 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., 8600500540921 + 7588515335076 = 2932661^2 + 2754726^2 .

It is a cyclic number.

It is not a de Polignac number, because 16189015875997 - 2³¹ = 16186868392349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16189015675997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8094507937998 + 8094507937999.

It is an arithmetic number, because the mean of its divisors is an integer number (8094507937999).

Almost surely, 2^{16189015875997} is an apocalyptic number.

It is an amenable number.

16189015875997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16189015875997 is an equidigital number, since it uses as much as digits as its factorization.

16189015875997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 342921600, while the sum is 76.

The spelling of 16189015875997 in words is "sixteen trillion, one hundred eighty-nine billion, fifteen million, eight hundred seventy-five thousand, nine hundred ninety-seven".