16433247121227 has 12 divisors (see below), whose sum is σ = 23737103888784. Its totient is φ = 10955409751440.

The previous prime is 16433247121223. The next prime is 16433247121253. The reversal of 16433247121227 is 72212174233461.

It is a happy number.

16433247121227 is a `hidden beast` number, since 1 + 6 + 4 + 332 + 4 + 71 + 21 + 227 = 666.

It is not a de Polignac number, because 16433247121227 - 2² = 16433247121223 is a prime.

It is a super-2 number, since 2×16433247121227² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16433247121223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6172399 + ... + 8424072.

It is an arithmetic number, because the mean of its divisors is an integer number (1978091990732).

Almost surely, 2^{16433247121227} is an apocalyptic number.

16433247121227 is a deficient number, since it is larger than the sum of its proper divisors (7303856767557).

16433247121227 is a wasteful number, since it uses less digits than its factorization.

16433247121227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14721570 (or 14721567 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 16433247121227 in words is "sixteen trillion, four hundred thirty-three billion, two hundred forty-seven million, one hundred twenty-one thousand, two hundred twenty-seven".