16684073450 has 48 divisors (see below), whose sum is σ = 34330392000. Its totient is φ = 5981472000.

The previous prime is 16684073387. The next prime is 16684073459. The reversal of 16684073450 is 5437048661.

It is not an unprimeable number, because it can be changed into a prime (16684073459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174575 + ... + 252674.

It is an arithmetic number, because the mean of its divisors is an integer number (715216500).

Almost surely, 2^16684073450 is an apocalyptic number.

16684073450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16684073450 is an abundant number, since it is smaller than the sum of its proper divisors (17646318550).

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

16684073450 is a wasteful number, since it uses less digits than its factorization.

16684073450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427343 (or 427338 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 16684073450 in words is "sixteen billion, six hundred eighty-four million, seventy-three thousand, four hundred fifty".