16423558675966 has 16 divisors (see below), whose sum is σ = 26575103271024. Its totient is φ = 7567321359744.

The previous prime is 16423558675961. The next prime is 16423558675987. The reversal of 16423558675966 is 66957685532461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423558675961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532594476 + ... + 532625311.

It is an arithmetic number, because the mean of its divisors is an integer number (1660943954439).

Almost surely, 2^{16423558675966} is an apocalyptic number.

16423558675966 is a deficient number, since it is larger than the sum of its proper divisors (10151544595058).

16423558675966 is a wasteful number, since it uses less digits than its factorization.

16423558675966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065220395.

The product of its digits is 1959552000, while the sum is 73.

The spelling of 16423558675966 in words is "sixteen trillion, four hundred twenty-three billion, five hundred fifty-eight million, six hundred seventy-five thousand, nine hundred sixty-six".