16442066421175 has 12 divisors (see below), whose sum is σ = 20393333207920. Its totient is φ = 13150317107520.

The previous prime is 16442066421167. The next prime is 16442066421199. The reversal of 16442066421175 is 57112466024461.

It is not a de Polignac number, because 16442066421175 - 2³ = 16442066421167 is a prime.

It is a super-3 number, since 3×16442066421175³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83300190 + ... + 83497339.

Almost surely, 2^{16442066421175} is an apocalyptic number.

16442066421175 is a deficient number, since it is larger than the sum of its proper divisors (3951266786745).

16442066421175 is a wasteful number, since it uses less digits than its factorization.

16442066421175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166801482 (or 166801477 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 16442066421175 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, four hundred twenty-one thousand, one hundred seventy-five".