16434272637 has 24 divisors (see below), whose sum is σ = 24523166720. Its totient is φ = 10594527840.

The previous prime is 16434272609. The next prime is 16434272651. The reversal of 16434272637 is 73627243461.

16434272637 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 4 + 2 + 7 + 2 + 637 = 666.

It is not a de Polignac number, because 16434272637 - 2¹⁵ = 16434239869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16434272592 and 16434272601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434272237) 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, 348039 + ... + 392427.

Almost surely, 2^16434272637 is an apocalyptic number.

It is an amenable number.

16434272637 is a deficient number, since it is larger than the sum of its proper divisors (8088894083).

16434272637 is a wasteful number, since it uses less digits than its factorization.

16434272637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45753 (or 45750 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The spelling of 16434272637 in words is "sixteen billion, four hundred thirty-four million, two hundred seventy-two thousand, six hundred thirty-seven".