16609254867 has 18 divisors (see below), whose sum is σ = 24221194452. Its totient is φ = 10966710816.

The previous prime is 16609254839. The next prime is 16609254899. The reversal of 16609254867 is 76845290661.

16609254867 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 92 + 548 + 6 + 7 = 666.

It is not a de Polignac number, because 16609254867 - 2¹⁵ = 16609222099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16609254817) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3997263 + ... + 4001415.

It is an arithmetic number, because the mean of its divisors is an integer number (1345621914).

Almost surely, 2^16609254867 is an apocalyptic number.

16609254867 is a deficient number, since it is larger than the sum of its proper divisors (7611939585).

16609254867 is an frugal number, since it uses more digits than its factorization.

16609254867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 16609254867 in words is "sixteen billion, six hundred nine million, two hundred fifty-four thousand, eight hundred sixty-seven".