16665746023 has 2 divisors, whose sum is σ = 16665746024. Its totient is φ = 16665746022.

The previous prime is 16665746003. The next prime is 16665746033. The reversal of 16665746023 is 32064756661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16665746023 - 2²⁵ = 16632191591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16665746003) 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, 8332873011 + 8332873012.

It is an arithmetic number, because the mean of its divisors is an integer number (8332873012).

Almost surely, 2^16665746023 is an apocalyptic number.

16665746023 is a deficient number, since it is larger than the sum of its proper divisors (1).

16665746023 is an equidigital number, since it uses as much as digits as its factorization.

16665746023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 16665746023 in words is "sixteen billion, six hundred sixty-five million, seven hundred forty-six thousand, twenty-three".