16685187006 has 16 divisors (see below), whose sum is σ = 33379217424. Its totient is φ = 5560255104.

The previous prime is 16685186983. The next prime is 16685187011. The reversal of 16685187006 is 60078158661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343821 + ... + 389336.

It is an arithmetic number, because the mean of its divisors is an integer number (2086201089).

Almost surely, 2^16685187006 is an apocalyptic number.

16685187006 is an abundant number, since it is smaller than the sum of its proper divisors (16694030418).

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

16685187006 is a wasteful number, since it uses less digits than its factorization.

16685187006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736955.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 16685187006 in words is "sixteen billion, six hundred eighty-five million, one hundred eighty-seven thousand, six".