16424342427 has 8 divisors (see below), whose sum is σ = 21905026560.
Its totient is φ = 10946609960.
The previous prime is 16424342423. The next prime is 16424342449. The reversal of 16424342427 is 72424342461.
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 16424342427 - 22 = 16424342423 is a prime.
It is not an unprimeable number, because it can be changed into a prime (16424342423) 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, 724899 + ... + 747212.
It is an arithmetic number, because the mean of its divisors is an integer number (2738128320).
Almost surely, 216424342427 is an apocalyptic number.
16424342427 is a deficient number, since it is larger than the sum of its proper divisors (5480684133).
16424342427 is a wasteful number, since it uses less digits than its factorization.
16424342427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1475833.
The product of its digits is 258048, while the sum is 39.
Adding to 16424342427 its reverse (72424342461), we get a palindrome (88848684888).
The spelling of 16424342427 in words is "sixteen billion, four hundred twenty-four million, three hundred forty-two thousand, four hundred twenty-seven".