16660246564123 has 2 divisors, whose sum is σ = 16660246564124. Its totient is φ = 16660246564122.

The previous prime is 16660246564103. The next prime is 16660246564127. The reversal of 16660246564123 is 32146564206661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16660246564123 is a prime.

It is not a weakly prime, because it can be changed into another prime (16660246564127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8330123282061 + 8330123282062.

It is an arithmetic number, because the mean of its divisors is an integer number (8330123282062).

Almost surely, 2^{16660246564123} is an apocalyptic number.

16660246564123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16660246564123 is an equidigital number, since it uses as much as digits as its factorization.

16660246564123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 16660246564123 in words is "sixteen trillion, six hundred sixty billion, two hundred forty-six million, five hundred sixty-four thousand, one hundred twenty-three".