16870203687 has 8 divisors (see below), whose sum is σ = 23101540336. Its totient is φ = 10942834752.

The previous prime is 16870203671. The next prime is 16870203781. The reversal of 16870203687 is 78630207861.

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

It is not a de Polignac number, because 16870203687 - 2⁴ = 16870203671 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 (16870203667) 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, 75991798 + ... + 75992019.

It is an arithmetic number, because the mean of its divisors is an integer number (2887692542).

Almost surely, 2^16870203687 is an apocalyptic number.

16870203687 is a deficient number, since it is larger than the sum of its proper divisors (6231336649).

16870203687 is a wasteful number, since it uses less digits than its factorization.

16870203687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151983857.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 16870203687 in words is "sixteen billion, eight hundred seventy million, two hundred three thousand, six hundred eighty-seven".