16580687706 has 48 divisors (see below), whose sum is σ = 41253395040. Its totient is φ = 4760004960.

The previous prime is 16580687701. The next prime is 16580687713. The reversal of 16580687706 is 60778608561.

It is not an unprimeable number, because it can be changed into a prime (16580687701) 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 23 ways as a sum of consecutive naturals, for example, 2199945 + ... + 2207468.

It is an arithmetic number, because the mean of its divisors is an integer number (859445730).

Almost surely, 2^16580687706 is an apocalyptic number.

16580687706 is an abundant number, since it is smaller than the sum of its proper divisors (24672707334).

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

16580687706 is a wasteful number, since it uses less digits than its factorization.

16580687706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407451 (or 4407448 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 16580687706 in words is "sixteen billion, five hundred eighty million, six hundred eighty-seven thousand, seven hundred six".