16003463427 has 24 divisors (see below), whose sum is σ = 26485002336. Its totient is φ = 9121787136.

The previous prime is 16003463419. The next prime is 16003463429. The reversal of 16003463427 is 72436430061.

It is a happy number.

16003463427 is a `hidden beast` number, since 1 + 600 + 3 + 4 + 6 + 3 + 42 + 7 = 666.

It is not a de Polignac number, because 16003463427 - 2³ = 16003463419 is a prime.

It is a super-2 number, since 2×16003463427² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16003463391 and 16003463400.

It is not an unprimeable number, because it can be changed into a prime (16003463429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294918 + ... + 344939.

It is an arithmetic number, because the mean of its divisors is an integer number (1103541764).

Almost surely, 2^16003463427 is an apocalyptic number.

16003463427 is a deficient number, since it is larger than the sum of its proper divisors (10481538909).

16003463427 is a wasteful number, since it uses less digits than its factorization.

16003463427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640267 (or 640264 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 16003463427 its reverse (72436430061), we get a palindrome (88439893488).

The spelling of 16003463427 in words is "sixteen billion, three million, four hundred sixty-three thousand, four hundred twenty-seven".