16883721472 has 18 divisors (see below), whose sum is σ = 33701491418. Its totient is φ = 8441860608.

The previous prime is 16883721457. The next prime is 16883721493. The reversal of 16883721472 is 27412738861.

It can be written as a sum of positive squares in only one way, i.e., 11816559616 + 5067161856 = 108704^2 + 71184^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32975763 + ... + 32976274.

Almost surely, 2^16883721472 is an apocalyptic number.

It is an amenable number.

16883721472 is a deficient number, since it is larger than the sum of its proper divisors (16817769946).

16883721472 is an frugal number, since it uses more digits than its factorization.

16883721472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65952053 (or 65952039 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The spelling of 16883721472 in words is "sixteen billion, eight hundred eighty-three million, seven hundred twenty-one thousand, four hundred seventy-two".