16722079 has 12 divisors (see below), whose sum is σ = 18558288. Its totient is φ = 15055040.

The previous prime is 16722077. The next prime is 16722089. The reversal of 16722079 is 97022761.

It is not a de Polignac number, because 16722079 - 2¹ = 16722077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16722073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13062 + ... + 14284.

It is an arithmetic number, because the mean of its divisors is an integer number (1546524).

Almost surely, 2^16722079 is an apocalyptic number.

16722079 is a deficient number, since it is larger than the sum of its proper divisors (1836209).

16722079 is a wasteful number, since it uses less digits than its factorization.

16722079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16722079 is about 4089.2638701850. The cubic root of 16722079 is about 255.7192509376.

The spelling of 16722079 in words is "sixteen million, seven hundred twenty-two thousand, seventy-nine".