16483735321 has 3 divisors (see below), whose sum is σ = 16483863711. Its totient is φ = 16483606932.

The previous prime is 16483735297. The next prime is 16483735351. The reversal of 16483735321 is 12353738461.

The square root of 16483735321 is 128389.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12353738461 = 21191 ⋅582971.

It can be written as a sum of positive squares in only one way, i.e., 16368387721 + 115347600 = 127939^2 + 10740^2 .

It is not a de Polignac number, because 16483735321 - 2¹⁵ = 16483702553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16483735351) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 64195 + ... + 192583.

It is an arithmetic number, because the mean of its divisors is an integer number (5494621237).

Almost surely, 2^16483735321 is an apocalyptic number.

16483735321 is the 128389-th square number.

16483735321 is the 64195-th centered octagonal number.

It is an amenable number.

16483735321 is a deficient number, since it is larger than the sum of its proper divisors (128390).

16483735321 is an frugal number, since it uses more digits than its factorization.

16483735321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256778 (or 128389 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The spelling of 16483735321 in words is "sixteen billion, four hundred eighty-three million, seven hundred thirty-five thousand, three hundred twenty-one".