16805473790 has 64 divisors (see below), whose sum is σ = 34756622208. Its totient is φ = 5731084800.

The previous prime is 16805473781. The next prime is 16805473793. The reversal of 16805473790 is 9737450861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16805473793) 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, 13585052 + ... + 13586288.

It is an arithmetic number, because the mean of its divisors is an integer number (543072222).

Almost surely, 2^16805473790 is an apocalyptic number.

16805473790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16805473790 is an abundant number, since it is smaller than the sum of its proper divisors (17951148418).

16805473790 is a wasteful number, since it uses less digits than its factorization.

16805473790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 16805473790 in words is "sixteen billion, eight hundred five million, four hundred seventy-three thousand, seven hundred ninety".