16217561127 has 8 divisors (see below), whose sum is σ = 21736627200. Its totient is φ = 10755101240.

The previous prime is 16217561099. The next prime is 16217561137. The reversal of 16217561127 is 72116571261.

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 16217561127 - 2¹⁵ = 16217528359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16217561137) 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, 14150877 + ... + 14152022.

It is an arithmetic number, because the mean of its divisors is an integer number (2717078400).

Almost surely, 2^16217561127 is an apocalyptic number.

16217561127 is a deficient number, since it is larger than the sum of its proper divisors (5519066073).

16217561127 is a wasteful number, since it uses less digits than its factorization.

16217561127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28303093.

The product of its digits is 35280, while the sum is 39.

The spelling of 16217561127 in words is "sixteen billion, two hundred seventeen million, five hundred sixty-one thousand, one hundred twenty-seven".