16683888722 has 4 divisors (see below), whose sum is σ = 25025833086. Its totient is φ = 8341944360.

The previous prime is 16683888677. The next prime is 16683888751. The reversal of 16683888722 is 22788838661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16682563921 + 1324801 = 129161^2 + 1151^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170972179 + ... + 4170972182.

Almost surely, 2^16683888722 is an apocalyptic number.

16683888722 is a deficient number, since it is larger than the sum of its proper divisors (8341944364).

16683888722 is an equidigital number, since it uses as much as digits as its factorization.

16683888722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341944363.

The product of its digits is 12386304, while the sum is 59.

The spelling of 16683888722 in words is "sixteen billion, six hundred eighty-three million, eight hundred eighty-eight thousand, seven hundred twenty-two".