16854747609 has 12 divisors (see below), whose sum is σ = 26142057744. Its totient is φ = 9631284264.

The previous prime is 16854747607. The next prime is 16854747617. The reversal of 16854747609 is 90674745861.

It is not a de Polignac number, because 16854747609 - 2¹ = 16854747607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16854747607) 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, 57328927 + ... + 57329220.

It is an arithmetic number, because the mean of its divisors is an integer number (2178504812).

Almost surely, 2^16854747609 is an apocalyptic number.

It is an amenable number.

16854747609 is a deficient number, since it is larger than the sum of its proper divisors (9287310135).

16854747609 is a wasteful number, since it uses less digits than its factorization.

16854747609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114658164 (or 114658157 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 16854747609 in words is "sixteen billion, eight hundred fifty-four million, seven hundred forty-seven thousand, six hundred nine".