16442663476172 has 6 divisors (see below), whose sum is σ = 28774661083308. Its totient is φ = 8221331738084.

The previous prime is 16442663476157. The next prime is 16442663476193. The reversal of 16442663476172 is 27167436624461.

It is a super-3 number, since 3×16442663476172³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055332934518 + ... + 2055332934525.

It is an arithmetic number, because the mean of its divisors is an integer number (4795776847218).

Almost surely, 2^{16442663476172} is an apocalyptic number.

It is an amenable number.

16442663476172 is a deficient number, since it is larger than the sum of its proper divisors (12331997607136).

16442663476172 is a wasteful number, since it uses less digits than its factorization.

16442663476172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110665869047 (or 4110665869045 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 59.

The spelling of 16442663476172 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, four hundred seventy-six thousand, one hundred seventy-two".