16685850480 has 160 divisors (see below), whose sum is σ = 58127279616. Its totient is φ = 3928691712.

The previous prime is 16685850479. The next prime is 16685850487. The reversal of 16685850480 is 8405858661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16685850487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44502 + ... + 188021.

Almost surely, 2^16685850480 is an apocalyptic number.

16685850480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16685850480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29063639808).

16685850480 is an abundant number, since it is smaller than the sum of its proper divisors (41441429136).

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

16685850480 is a wasteful number, since it uses less digits than its factorization.

16685850480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232575 (or 232569 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The spelling of 16685850480 in words is "sixteen billion, six hundred eighty-five million, eight hundred fifty thousand, four hundred eighty".