16722101 has 16 divisors (see below), whose sum is σ = 19450368. Its totient is φ = 14208000.

The previous prime is 16722091. The next prime is 16722103. The reversal of 16722101 is 10122761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16722101 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 (16722103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41501 + ... + 41901.

It is an arithmetic number, because the mean of its divisors is an integer number (1215648).

Almost surely, 2^16722101 is an apocalyptic number.

16722101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16722101 is a deficient number, since it is larger than the sum of its proper divisors (2728267).

16722101 is a wasteful number, since it uses less digits than its factorization.

16722101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 16722101 is about 4089.2665601548. The cubic root of 16722101 is about 255.7193630812.

Adding to 16722101 its reverse (10122761), we get a palindrome (26844862).

It can be divided in two parts, 1672 and 2101, that added together give a palindrome (3773).

The spelling of 16722101 in words is "sixteen million, seven hundred twenty-two thousand, one hundred one".