16368907009 has 8 divisors (see below), whose sum is σ = 20146347200. Its totient is φ = 12951223056.

The previous prime is 16368907003. The next prime is 16368907021. The reversal of 16368907009 is 90070986361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16368907009 - 2¹¹ = 16368904961 is a prime.

It is a super-2 number, since 2×16368907009² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16368907003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89938959 + ... + 89939140.

It is an arithmetic number, because the mean of its divisors is an integer number (2518293400).

Almost surely, 2^16368907009 is an apocalyptic number.

It is an amenable number.

16368907009 is a deficient number, since it is larger than the sum of its proper divisors (3777440191).

16368907009 is a wasteful number, since it uses less digits than its factorization.

16368907009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179878119.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 16368907009 in words is "sixteen billion, three hundred sixty-eight million, nine hundred seven thousand, nine".