16127289897 has 8 divisors (see below), whose sum is σ = 21511959456. Its totient is φ = 10747073472.

The previous prime is 16127289883. The next prime is 16127289907. The reversal of 16127289897 is 79898272161.

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

It is not a de Polignac number, because 16127289897 - 2⁴ = 16127289881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16127289897.

It is not an unprimeable number, because it can be changed into a prime (16127289797) 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, 1104823 + ... + 1119324.

It is an arithmetic number, because the mean of its divisors is an integer number (2688994932).

Almost surely, 2^16127289897 is an apocalyptic number.

It is an amenable number.

16127289897 is a deficient number, since it is larger than the sum of its proper divisors (5384669559).

16127289897 is a wasteful number, since it uses less digits than its factorization.

16127289897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226567.

The product of its digits is 6096384, while the sum is 60.

The spelling of 16127289897 in words is "sixteen billion, one hundred twenty-seven million, two hundred eighty-nine thousand, eight hundred ninety-seven".