16905217270 has 16 divisors (see below), whose sum is σ = 30430997568. Its totient is φ = 6761729920.

The previous prime is 16905217267. The next prime is 16905217271. The reversal of 16905217270 is 7271250961.

16905217270 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16905217271) 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, 241827 + ... + 303793.

It is an arithmetic number, because the mean of its divisors is an integer number (1901937348).

Almost surely, 2^16905217270 is an apocalyptic number.

16905217270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16905217270 is a deficient number, since it is larger than the sum of its proper divisors (13525780298).

16905217270 is a wasteful number, since it uses less digits than its factorization.

16905217270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89255.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 16905217270 in words is "sixteen billion, nine hundred five million, two hundred seventeen thousand, two hundred seventy".