16663626332151 has 4 divisors (see below), whose sum is σ = 22218168442872. Its totient is φ = 11109084221432.

The previous prime is 16663626332063. The next prime is 16663626332173. The reversal of 16663626332151 is 15123362636661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16663626332151 - 2¹⁹ = 16663625807863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16663626332094 and 16663626332103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16663626332191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777271055356 + ... + 2777271055361.

It is an arithmetic number, because the mean of its divisors is an integer number (5554542110718).

Almost surely, 2^{16663626332151} is an apocalyptic number.

16663626332151 is a deficient number, since it is larger than the sum of its proper divisors (5554542110721).

16663626332151 is an equidigital number, since it uses as much as digits as its factorization.

16663626332151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554542110720.

The product of its digits is 4199040, while the sum is 51.

The spelling of 16663626332151 in words is "sixteen trillion, six hundred sixty-three billion, six hundred twenty-six million, three hundred thirty-two thousand, one hundred fifty-one".