16772101 has 4 divisors (see below), whose sum is σ = 16823104. Its totient is φ = 16721100.

The previous prime is 16772099. The next prime is 16772123. The reversal of 16772101 is 10127761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16772101 - 2¹ = 16772099 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 (16772131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25005 + ... + 25666.

It is an arithmetic number, because the mean of its divisors is an integer number (4205776).

Almost surely, 2^16772101 is an apocalyptic number.

It is an amenable number.

16772101 is a deficient number, since it is larger than the sum of its proper divisors (51003).

16772101 is an equidigital number, since it uses as much as digits as its factorization.

16772101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51002.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 16772101 is about 4095.3755627537. The cubic root of 16772101 is about 255.9739811203.

Adding to 16772101 its reverse (10127761), we get a palindrome (26899862).

The spelling of 16772101 in words is "sixteen million, seven hundred seventy-two thousand, one hundred one".