16667623604641 has 8 divisors (see below), whose sum is σ = 16733875661568. Its totient is φ = 16601452692000.

The previous prime is 16667623604539. The next prime is 16667623604699. The reversal of 16667623604641 is 14640632676661.

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 16667623604641 - 2¹⁵ = 16667623571873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16667623605641) 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, 19874425 + ... + 20696086.

It is an arithmetic number, because the mean of its divisors is an integer number (2091734457696).

Almost surely, 2^{16667623604641} is an apocalyptic number.

It is an amenable number.

16667623604641 is a deficient number, since it is larger than the sum of its proper divisors (66252056927).

16667623604641 is a wasteful number, since it uses less digits than its factorization.

16667623604641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40572143.

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 16667623604641 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred twenty-three million, six hundred four thousand, six hundred forty-one".