16416664737007 has 16 divisors (see below), whose sum is σ = 17236606312800. Its totient is φ = 15613656791040.

The previous prime is 16416664736987. The next prime is 16416664737019. The reversal of 16416664737007 is 70073746661461.

It is a cyclic number.

It is not a de Polignac number, because 16416664737007 - 2³¹ = 16414517253359 is a prime.

It is a super-3 number, since 3×16416664737007³ (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 (16416664737307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168139219 + ... + 168236827.

It is an arithmetic number, because the mean of its divisors is an integer number (1077287894550).

Almost surely, 2^{16416664737007} is an apocalyptic number.

16416664737007 is a deficient number, since it is larger than the sum of its proper divisors (819941575793).

16416664737007 is an equidigital number, since it uses as much as digits as its factorization.

16416664737007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184266.

The product of its (nonzero) digits is 21337344, while the sum is 58.

The spelling of 16416664737007 in words is "sixteen trillion, four hundred sixteen billion, six hundred sixty-four million, seven hundred thirty-seven thousand, seven".