16326601687 has 8 divisors (see below), whose sum is σ = 17815176720. Its totient is φ = 14838749760.

The previous prime is 16326601667. The next prime is 16326601721. The reversal of 16326601687 is 78610662361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16326601687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16326601667) 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 7 ways as a sum of consecutive naturals, for example, 133012 + ... + 224377.

It is an arithmetic number, because the mean of its divisors is an integer number (2226897090).

Almost surely, 2^16326601687 is an apocalyptic number.

16326601687 is a deficient number, since it is larger than the sum of its proper divisors (1488575033).

16326601687 is a wasteful number, since it uses less digits than its factorization.

16326601687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361553.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 16326601687 in words is "sixteen billion, three hundred twenty-six million, six hundred one thousand, six hundred eighty-seven".