16442140726471 has 8 divisors (see below), whose sum is σ = 17309527124400. Its totient is φ = 15574955385600.

The previous prime is 16442140726393. The next prime is 16442140726621. The reversal of 16442140726471 is 17462704124461.

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

It is a cyclic number.

It is not a de Polignac number, because 16442140726471 - 2⁷ = 16442140726343 is a prime.

It is a super-3 number, since 3×16442140726471³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442140756471) 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, 50096380 + ... + 50423521.

It is an arithmetic number, because the mean of its divisors is an integer number (2163690890550).

Almost surely, 2^{16442140726471} is an apocalyptic number.

16442140726471 is a deficient number, since it is larger than the sum of its proper divisors (867386397929).

16442140726471 is a wasteful number, since it uses less digits than its factorization.

16442140726471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100528529.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 16442140726471 in words is "sixteen trillion, four hundred forty-two billion, one hundred forty million, seven hundred twenty-six thousand, four hundred seventy-one".