16672771 has 2 divisors, whose sum is σ = 16672772. Its totient is φ = 16672770.

The previous prime is 16672759. The next prime is 16672787. The reversal of 16672771 is 17727661.

16672771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16672771 - 2⁹ = 16672259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16672771.

It is not a weakly prime, because it can be changed into another prime (16672741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8336385 + 8336386.

It is an arithmetic number, because the mean of its divisors is an integer number (8336386).

Almost surely, 2^16672771 is an apocalyptic number.

16672771 is a deficient number, since it is larger than the sum of its proper divisors (1).

16672771 is an equidigital number, since it uses as much as digits as its factorization.

16672771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 37.

The square root of 16672771 is about 4083.2304612892. The cubic root of 16672771 is about 255.4676590461.

The spelling of 16672771 in words is "sixteen million, six hundred seventy-two thousand, seven hundred seventy-one".