16416664737071 has 8 divisors (see below), whose sum is σ = 16428709018800. Its totient is φ = 16404624173248.

The previous prime is 16416664737061. The next prime is 16416664737073. The reversal of 16416664737071 is 17073746661461.

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 16416664737071 - 2³⁰ = 16415590995247 is a prime.

It is a super-3 number, since 3×16416664737071³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16416664737071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16416664737073) 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, 7935875 + ... + 9788331.

It is an arithmetic number, because the mean of its divisors is an integer number (2053588627350).

Almost surely, 2^{16416664737071} is an apocalyptic number.

16416664737071 is a deficient number, since it is larger than the sum of its proper divisors (12044281729).

16416664737071 is a wasteful number, since it uses less digits than its factorization.

16416664737071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858953.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 16416664737071 in words is "sixteen trillion, four hundred sixteen billion, six hundred sixty-four million, seven hundred thirty-seven thousand, seventy-one".