16903845009 has 12 divisors (see below), whose sum is σ = 25478259456. Its totient is φ = 10779263352.

The previous prime is 16903844953. The next prime is 16903845041. The reversal of 16903845009 is 90054830961.

It is a happy number.

16903845009 is a `hidden beast` number, since 1 + 69 + 0 + 3 + 84 + 500 + 9 = 666.

It is not a de Polignac number, because 16903845009 - 2¹⁵ = 16903812241 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16903845109) 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, 40830337 + ... + 40830750.

It is an arithmetic number, because the mean of its divisors is an integer number (2123188288).

Almost surely, 2^16903845009 is an apocalyptic number.

It is an amenable number.

16903845009 is a deficient number, since it is larger than the sum of its proper divisors (8574414447).

16903845009 is a wasteful number, since it uses less digits than its factorization.

16903845009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81661116 (or 81661113 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 16903845009 in words is "sixteen billion, nine hundred three million, eight hundred forty-five thousand, nine".