16463807109 has 12 divisors (see below), whose sum is σ = 23791996800. Its totient is φ = 10970821224.

The previous prime is 16463807071. The next prime is 16463807117. The reversal of 16463807109 is 90170836461.

It is a happy number.

16463807109 is a `hidden beast` number, since 1 + 6 + 4 + 638 + 0 + 7 + 1 + 0 + 9 = 666.

It is not a de Polignac number, because 16463807109 - 2⁷ = 16463806981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16463807119) 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, 400149 + ... + 439370.

It is an arithmetic number, because the mean of its divisors is an integer number (1982666400).

Almost surely, 2^16463807109 is an apocalyptic number.

It is an amenable number.

16463807109 is a deficient number, since it is larger than the sum of its proper divisors (7328189691).

16463807109 is a wasteful number, since it uses less digits than its factorization.

16463807109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841704 (or 841701 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 16463807109 in words is "sixteen billion, four hundred sixty-three million, eight hundred seven thousand, one hundred nine".