16662375694847 has 8 divisors (see below), whose sum is σ = 16666088567520. Its totient is φ = 16658663109120.

The previous prime is 16662375694837. The next prime is 16662375694859. The reversal of 16662375694847 is 74849657326661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16662375694847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16662375694807) 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, 149354447 + ... + 149465967.

It is an arithmetic number, because the mean of its divisors is an integer number (2083261070940).

Almost surely, 2^{16662375694847} is an apocalyptic number.

16662375694847 is a deficient number, since it is larger than the sum of its proper divisors (3712872673).

16662375694847 is a wasteful number, since it uses less digits than its factorization.

16662375694847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143473.

The product of its digits is 2194698240, while the sum is 74.

The spelling of 16662375694847 in words is "sixteen trillion, six hundred sixty-two billion, three hundred seventy-five million, six hundred ninety-four thousand, eight hundred forty-seven".