16609630327 has 4 divisors (see below), whose sum is σ = 16756618320. Its totient is φ = 16462642336.

The previous prime is 16609630313. The next prime is 16609630333. The reversal of 16609630327 is 72303690661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72303690661 = 136067 ⋅531383.

It is a cyclic number.

It is not a de Polignac number, because 16609630327 - 2¹¹ = 16609628279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16609630307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73493827 + ... + 73494052.

It is an arithmetic number, because the mean of its divisors is an integer number (4189154580).

Almost surely, 2^16609630327 is an apocalyptic number.

16609630327 is a deficient number, since it is larger than the sum of its proper divisors (146987993).

16609630327 is a wasteful number, since it uses less digits than its factorization.

16609630327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146987992.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 16609630327 in words is "sixteen billion, six hundred nine million, six hundred thirty thousand, three hundred twenty-seven".