16661241152176 has 40 divisors (see below), whose sum is σ = 32341658247920. Its totient is φ = 8315008176384.

The previous prime is 16661241152173. The next prime is 16661241152189. The reversal of 16661241152176 is 67125114216661.

It is not an unprimeable number, because it can be changed into a prime (16661241152173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348559510 + ... + 348607306.

It is an arithmetic number, because the mean of its divisors is an integer number (808541456198).

Almost surely, 2^{16661241152176} is an apocalyptic number.

16661241152176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16661241152176 is a deficient number, since it is larger than the sum of its proper divisors (15680417095744).

16661241152176 is a wasteful number, since it uses less digits than its factorization.

16661241152176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88181 (or 88175 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The spelling of 16661241152176 in words is "sixteen trillion, six hundred sixty-one billion, two hundred forty-one million, one hundred fifty-two thousand, one hundred seventy-six".