16787850864 has 40 divisors (see below), whose sum is σ = 43386901632. Its totient is φ = 5593590720.

The previous prime is 16787850853. The next prime is 16787850869. The reversal of 16787850864 is 46805878761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16787850798 and 16787850807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16787850869) 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, 43197 + ... + 188259.

Almost surely, 2^16787850864 is an apocalyptic number.

It is an amenable number.

16787850864 is an abundant number, since it is smaller than the sum of its proper divisors (26599050768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16787850864 is a wasteful number, since it uses less digits than its factorization.

16787850864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147485 (or 147479 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 16787850864 in words is "sixteen billion, seven hundred eighty-seven million, eight hundred fifty thousand, eight hundred sixty-four".