16684734320 has 40 divisors (see below), whose sum is σ = 41073893424. Its totient is φ = 6281311232.

The previous prime is 16684734307. The next prime is 16684734329. The reversal of 16684734320 is 2343748661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16684734329) 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, 6132734 + ... + 6135453.

Almost surely, 2^16684734320 is an apocalyptic number.

16684734320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16684734320 is an abundant number, since it is smaller than the sum of its proper divisors (24389159104).

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

16684734320 is a wasteful number, since it uses less digits than its factorization.

16684734320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268217 (or 12268211 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 16684734320 in words is "sixteen billion, six hundred eighty-four million, seven hundred thirty-four thousand, three hundred twenty".