16722013456 has 10 divisors (see below), whose sum is σ = 32398901102. Its totient is φ = 8361006720.

The previous prime is 16722013453. The next prime is 16722013481. The reversal of 16722013456 is 65431022761.

16722013456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15897175056 + 824838400 = 126084^2 + 28720^2 .

It is not an unprimeable number, because it can be changed into a prime (16722013453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522562905 + ... + 522562936.

Almost surely, 2^16722013456 is an apocalyptic number.

16722013456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16722013456 is a deficient number, since it is larger than the sum of its proper divisors (15676887646).

16722013456 is a wasteful number, since it uses less digits than its factorization.

16722013456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045125849 (or 1045125843 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 16722013456 in words is "sixteen billion, seven hundred twenty-two million, thirteen thousand, four hundred fifty-six".