16661120301327 has 8 divisors (see below), whose sum is σ = 22214847136816. Its totient is φ = 11107403500032.

The previous prime is 16661120301313. The next prime is 16661120301349. The reversal of 16661120301327 is 72310302116661.

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

It is not a de Polignac number, because 16661120301327 - 2¹¹ = 16661120299279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16661120301127) 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, 3262383 + ... + 6630639.

It is an arithmetic number, because the mean of its divisors is an integer number (2776855892102).

Almost surely, 2^{16661120301327} is an apocalyptic number.

16661120301327 is a deficient number, since it is larger than the sum of its proper divisors (5553726835489).

16661120301327 is a wasteful number, since it uses less digits than its factorization.

16661120301327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017097.

The product of its (nonzero) digits is 54432, while the sum is 39.

Adding to 16661120301327 its reverse (72310302116661), we get a palindrome (88971422417988).

The spelling of 16661120301327 in words is "sixteen trillion, six hundred sixty-one billion, one hundred twenty million, three hundred one thousand, three hundred twenty-seven".